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-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/CodePage.php99
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Date.php492
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Drawing.php249
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher.php64
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer.php52
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer/SpgrContainer.php79
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer/SpgrContainer/SpContainer.php369
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer.php175
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer.php34
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer/BSE.php89
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer/BSE/Blip.php60
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php142
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Font.php763
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/CHANGELOG.TXT16
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/CholeskyDecomposition.php147
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/EigenvalueDecomposition.php863
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/LUDecomposition.php282
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/Matrix.php1202
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/QRDecomposition.php249
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/SingularValueDecomposition.php528
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/utils/Maths.php31
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE.php566
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/ChainedBlockStream.php196
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS.php237
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS/File.php64
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS/Root.php426
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLERead.php350
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/PasswordHasher.php100
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/StringHelper.php722
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/TimeZone.php81
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/BestFit.php463
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/ExponentialBestFit.php122
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/LinearBestFit.php81
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/LogarithmicBestFit.php90
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PolynomialBestFit.php200
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PowerBestFit.php114
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/Trend.php120
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/XMLWriter.php92
-rw-r--r--vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Xls.php279
39 files changed, 10288 insertions, 0 deletions
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/CodePage.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/CodePage.php
new file mode 100644
index 0000000..87f7544
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/CodePage.php
@@ -0,0 +1,99 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
+
+class CodePage
+{
+ public const DEFAULT_CODE_PAGE = 'CP1252';
+
+ private static $pageArray = [
+ 0 => 'CP1252', // CodePage is not always correctly set when the xls file was saved by Apple's Numbers program
+ 367 => 'ASCII', // ASCII
+ 437 => 'CP437', // OEM US
+ //720 => 'notsupported', // OEM Arabic
+ 737 => 'CP737', // OEM Greek
+ 775 => 'CP775', // OEM Baltic
+ 850 => 'CP850', // OEM Latin I
+ 852 => 'CP852', // OEM Latin II (Central European)
+ 855 => 'CP855', // OEM Cyrillic
+ 857 => 'CP857', // OEM Turkish
+ 858 => 'CP858', // OEM Multilingual Latin I with Euro
+ 860 => 'CP860', // OEM Portugese
+ 861 => 'CP861', // OEM Icelandic
+ 862 => 'CP862', // OEM Hebrew
+ 863 => 'CP863', // OEM Canadian (French)
+ 864 => 'CP864', // OEM Arabic
+ 865 => 'CP865', // OEM Nordic
+ 866 => 'CP866', // OEM Cyrillic (Russian)
+ 869 => 'CP869', // OEM Greek (Modern)
+ 874 => 'CP874', // ANSI Thai
+ 932 => 'CP932', // ANSI Japanese Shift-JIS
+ 936 => 'CP936', // ANSI Chinese Simplified GBK
+ 949 => 'CP949', // ANSI Korean (Wansung)
+ 950 => 'CP950', // ANSI Chinese Traditional BIG5
+ 1200 => 'UTF-16LE', // UTF-16 (BIFF8)
+ 1250 => 'CP1250', // ANSI Latin II (Central European)
+ 1251 => 'CP1251', // ANSI Cyrillic
+ 1252 => 'CP1252', // ANSI Latin I (BIFF4-BIFF7)
+ 1253 => 'CP1253', // ANSI Greek
+ 1254 => 'CP1254', // ANSI Turkish
+ 1255 => 'CP1255', // ANSI Hebrew
+ 1256 => 'CP1256', // ANSI Arabic
+ 1257 => 'CP1257', // ANSI Baltic
+ 1258 => 'CP1258', // ANSI Vietnamese
+ 1361 => 'CP1361', // ANSI Korean (Johab)
+ 10000 => 'MAC', // Apple Roman
+ 10001 => 'CP932', // Macintosh Japanese
+ 10002 => 'CP950', // Macintosh Chinese Traditional
+ 10003 => 'CP1361', // Macintosh Korean
+ 10004 => 'MACARABIC', // Apple Arabic
+ 10005 => 'MACHEBREW', // Apple Hebrew
+ 10006 => 'MACGREEK', // Macintosh Greek
+ 10007 => 'MACCYRILLIC', // Macintosh Cyrillic
+ 10008 => 'CP936', // Macintosh - Simplified Chinese (GB 2312)
+ 10010 => 'MACROMANIA', // Macintosh Romania
+ 10017 => 'MACUKRAINE', // Macintosh Ukraine
+ 10021 => 'MACTHAI', // Macintosh Thai
+ 10029 => 'MACCENTRALEUROPE', // Macintosh Central Europe
+ 10079 => 'MACICELAND', // Macintosh Icelandic
+ 10081 => 'MACTURKISH', // Macintosh Turkish
+ 10082 => 'MACCROATIAN', // Macintosh Croatian
+ 21010 => 'UTF-16LE', // UTF-16 (BIFF8) This isn't correct, but some Excel writer libraries erroneously use Codepage 21010 for UTF-16LE
+ 32768 => 'MAC', // Apple Roman
+ //32769 => 'unsupported', // ANSI Latin I (BIFF2-BIFF3)
+ 65000 => 'UTF-7', // Unicode (UTF-7)
+ 65001 => 'UTF-8', // Unicode (UTF-8)
+ ];
+
+ public static function validate(string $codePage): bool
+ {
+ return in_array($codePage, self::$pageArray, true);
+ }
+
+ /**
+ * Convert Microsoft Code Page Identifier to Code Page Name which iconv
+ * and mbstring understands.
+ *
+ * @param int $codePage Microsoft Code Page Indentifier
+ *
+ * @return string Code Page Name
+ */
+ public static function numberToName(int $codePage): string
+ {
+ if (array_key_exists($codePage, self::$pageArray)) {
+ return self::$pageArray[$codePage];
+ }
+ if ($codePage == 720 || $codePage == 32769) {
+ throw new PhpSpreadsheetException("Code page $codePage not supported."); // OEM Arabic
+ }
+
+ throw new PhpSpreadsheetException('Unknown codepage: ' . $codePage);
+ }
+
+ public static function getEncodings(): array
+ {
+ return self::$pageArray;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Date.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Date.php
new file mode 100644
index 0000000..d89a714
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Date.php
@@ -0,0 +1,492 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use DateTimeInterface;
+use DateTimeZone;
+use PhpOffice\PhpSpreadsheet\Calculation\DateTime;
+use PhpOffice\PhpSpreadsheet\Calculation\Functions;
+use PhpOffice\PhpSpreadsheet\Cell\Cell;
+use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
+use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
+
+class Date
+{
+ /** constants */
+ const CALENDAR_WINDOWS_1900 = 1900; // Base date of 1st Jan 1900 = 1.0
+ const CALENDAR_MAC_1904 = 1904; // Base date of 2nd Jan 1904 = 1.0
+
+ /**
+ * Names of the months of the year, indexed by shortname
+ * Planned usage for locale settings.
+ *
+ * @var string[]
+ */
+ public static $monthNames = [
+ 'Jan' => 'January',
+ 'Feb' => 'February',
+ 'Mar' => 'March',
+ 'Apr' => 'April',
+ 'May' => 'May',
+ 'Jun' => 'June',
+ 'Jul' => 'July',
+ 'Aug' => 'August',
+ 'Sep' => 'September',
+ 'Oct' => 'October',
+ 'Nov' => 'November',
+ 'Dec' => 'December',
+ ];
+
+ /**
+ * @var string[]
+ */
+ public static $numberSuffixes = [
+ 'st',
+ 'nd',
+ 'rd',
+ 'th',
+ ];
+
+ /**
+ * Base calendar year to use for calculations
+ * Value is either CALENDAR_WINDOWS_1900 (1900) or CALENDAR_MAC_1904 (1904).
+ *
+ * @var int
+ */
+ protected static $excelCalendar = self::CALENDAR_WINDOWS_1900;
+
+ /**
+ * Default timezone to use for DateTime objects.
+ *
+ * @var null|DateTimeZone
+ */
+ protected static $defaultTimeZone;
+
+ /**
+ * Set the Excel calendar (Windows 1900 or Mac 1904).
+ *
+ * @param int $baseDate Excel base date (1900 or 1904)
+ *
+ * @return bool Success or failure
+ */
+ public static function setExcelCalendar($baseDate)
+ {
+ if (
+ ($baseDate == self::CALENDAR_WINDOWS_1900) ||
+ ($baseDate == self::CALENDAR_MAC_1904)
+ ) {
+ self::$excelCalendar = $baseDate;
+
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Return the Excel calendar (Windows 1900 or Mac 1904).
+ *
+ * @return int Excel base date (1900 or 1904)
+ */
+ public static function getExcelCalendar()
+ {
+ return self::$excelCalendar;
+ }
+
+ /**
+ * Set the Default timezone to use for dates.
+ *
+ * @param DateTimeZone|string $timeZone The timezone to set for all Excel datetimestamp to PHP DateTime Object conversions
+ *
+ * @return bool Success or failure
+ */
+ public static function setDefaultTimezone($timeZone)
+ {
+ try {
+ $timeZone = self::validateTimeZone($timeZone);
+ self::$defaultTimeZone = $timeZone;
+ $retval = true;
+ } catch (PhpSpreadsheetException $e) {
+ $retval = false;
+ }
+
+ return $retval;
+ }
+
+ /**
+ * Return the Default timezone being used for dates.
+ *
+ * @return DateTimeZone The timezone being used as default for Excel timestamp to PHP DateTime object
+ */
+ public static function getDefaultTimezone()
+ {
+ if (self::$defaultTimeZone === null) {
+ self::$defaultTimeZone = new DateTimeZone('UTC');
+ }
+
+ return self::$defaultTimeZone;
+ }
+
+ /**
+ * Validate a timezone.
+ *
+ * @param DateTimeZone|string $timeZone The timezone to validate, either as a timezone string or object
+ *
+ * @return DateTimeZone The timezone as a timezone object
+ */
+ private static function validateTimeZone($timeZone)
+ {
+ if ($timeZone instanceof DateTimeZone) {
+ return $timeZone;
+ }
+ if (in_array($timeZone, DateTimeZone::listIdentifiers(DateTimeZone::ALL_WITH_BC))) {
+ return new DateTimeZone($timeZone);
+ }
+
+ throw new PhpSpreadsheetException('Invalid timezone');
+ }
+
+ /**
+ * Convert a MS serialized datetime value from Excel to a PHP Date/Time object.
+ *
+ * @param float|int $excelTimestamp MS Excel serialized date/time value
+ * @param null|DateTimeZone|string $timeZone The timezone to assume for the Excel timestamp,
+ * if you don't want to treat it as a UTC value
+ * Use the default (UST) unless you absolutely need a conversion
+ *
+ * @return \DateTime PHP date/time object
+ */
+ public static function excelToDateTimeObject($excelTimestamp, $timeZone = null)
+ {
+ $timeZone = ($timeZone === null) ? self::getDefaultTimezone() : self::validateTimeZone($timeZone);
+ if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_EXCEL) {
+ if ($excelTimestamp < 1.0) {
+ // Unix timestamp base date
+ $baseDate = new \DateTime('1970-01-01', $timeZone);
+ } else {
+ // MS Excel calendar base dates
+ if (self::$excelCalendar == self::CALENDAR_WINDOWS_1900) {
+ // Allow adjustment for 1900 Leap Year in MS Excel
+ $baseDate = ($excelTimestamp < 60) ? new \DateTime('1899-12-31', $timeZone) : new \DateTime('1899-12-30', $timeZone);
+ } else {
+ $baseDate = new \DateTime('1904-01-01', $timeZone);
+ }
+ }
+ } else {
+ $baseDate = new \DateTime('1899-12-30', $timeZone);
+ }
+
+ $days = floor($excelTimestamp);
+ $partDay = $excelTimestamp - $days;
+ $hours = floor($partDay * 24);
+ $partDay = $partDay * 24 - $hours;
+ $minutes = floor($partDay * 60);
+ $partDay = $partDay * 60 - $minutes;
+ $seconds = round($partDay * 60);
+
+ if ($days >= 0) {
+ $days = '+' . $days;
+ }
+ $interval = $days . ' days';
+
+ return $baseDate->modify($interval)
+ ->setTime((int) $hours, (int) $minutes, (int) $seconds);
+ }
+
+ /**
+ * Convert a MS serialized datetime value from Excel to a unix timestamp.
+ *
+ * @param float|int $excelTimestamp MS Excel serialized date/time value
+ * @param null|DateTimeZone|string $timeZone The timezone to assume for the Excel timestamp,
+ * if you don't want to treat it as a UTC value
+ * Use the default (UST) unless you absolutely need a conversion
+ *
+ * @return int Unix timetamp for this date/time
+ */
+ public static function excelToTimestamp($excelTimestamp, $timeZone = null)
+ {
+ return (int) self::excelToDateTimeObject($excelTimestamp, $timeZone)
+ ->format('U');
+ }
+
+ /**
+ * Convert a date from PHP to an MS Excel serialized date/time value.
+ *
+ * @param mixed $dateValue Unix Timestamp or PHP DateTime object or a string
+ *
+ * @return bool|float Excel date/time value
+ * or boolean FALSE on failure
+ */
+ public static function PHPToExcel($dateValue)
+ {
+ if ((is_object($dateValue)) && ($dateValue instanceof DateTimeInterface)) {
+ return self::dateTimeToExcel($dateValue);
+ } elseif (is_numeric($dateValue)) {
+ return self::timestampToExcel($dateValue);
+ } elseif (is_string($dateValue)) {
+ return self::stringToExcel($dateValue);
+ }
+
+ return false;
+ }
+
+ /**
+ * Convert a PHP DateTime object to an MS Excel serialized date/time value.
+ *
+ * @param DateTimeInterface $dateValue PHP DateTime object
+ *
+ * @return float MS Excel serialized date/time value
+ */
+ public static function dateTimeToExcel(DateTimeInterface $dateValue)
+ {
+ return self::formattedPHPToExcel(
+ (int) $dateValue->format('Y'),
+ (int) $dateValue->format('m'),
+ (int) $dateValue->format('d'),
+ (int) $dateValue->format('H'),
+ (int) $dateValue->format('i'),
+ (int) $dateValue->format('s')
+ );
+ }
+
+ /**
+ * Convert a Unix timestamp to an MS Excel serialized date/time value.
+ *
+ * @param int $dateValue Unix Timestamp
+ *
+ * @return float MS Excel serialized date/time value
+ */
+ public static function timestampToExcel($dateValue)
+ {
+ if (!is_numeric($dateValue)) {
+ return false;
+ }
+
+ return self::dateTimeToExcel(new \DateTime('@' . $dateValue));
+ }
+
+ /**
+ * formattedPHPToExcel.
+ *
+ * @param int $year
+ * @param int $month
+ * @param int $day
+ * @param int $hours
+ * @param int $minutes
+ * @param int $seconds
+ *
+ * @return float Excel date/time value
+ */
+ public static function formattedPHPToExcel($year, $month, $day, $hours = 0, $minutes = 0, $seconds = 0)
+ {
+ if (self::$excelCalendar == self::CALENDAR_WINDOWS_1900) {
+ //
+ // Fudge factor for the erroneous fact that the year 1900 is treated as a Leap Year in MS Excel
+ // This affects every date following 28th February 1900
+ //
+ $excel1900isLeapYear = true;
+ if (($year == 1900) && ($month <= 2)) {
+ $excel1900isLeapYear = false;
+ }
+ $myexcelBaseDate = 2415020;
+ } else {
+ $myexcelBaseDate = 2416481;
+ $excel1900isLeapYear = false;
+ }
+
+ // Julian base date Adjustment
+ if ($month > 2) {
+ $month -= 3;
+ } else {
+ $month += 9;
+ --$year;
+ }
+
+ // Calculate the Julian Date, then subtract the Excel base date (JD 2415020 = 31-Dec-1899 Giving Excel Date of 0)
+ $century = substr($year, 0, 2);
+ $decade = substr($year, 2, 2);
+ $excelDate = floor((146097 * $century) / 4) + floor((1461 * $decade) / 4) + floor((153 * $month + 2) / 5) + $day + 1721119 - $myexcelBaseDate + $excel1900isLeapYear;
+
+ $excelTime = (($hours * 3600) + ($minutes * 60) + $seconds) / 86400;
+
+ return (float) $excelDate + $excelTime;
+ }
+
+ /**
+ * Is a given cell a date/time?
+ *
+ * @return bool
+ */
+ public static function isDateTime(Cell $pCell)
+ {
+ return is_numeric($pCell->getCalculatedValue()) &&
+ self::isDateTimeFormat(
+ $pCell->getWorksheet()->getStyle(
+ $pCell->getCoordinate()
+ )->getNumberFormat()
+ );
+ }
+
+ /**
+ * Is a given number format a date/time?
+ *
+ * @return bool
+ */
+ public static function isDateTimeFormat(NumberFormat $pFormat)
+ {
+ return self::isDateTimeFormatCode($pFormat->getFormatCode());
+ }
+
+ private static $possibleDateFormatCharacters = 'eymdHs';
+
+ /**
+ * Is a given number format code a date/time?
+ *
+ * @param string $pFormatCode
+ *
+ * @return bool
+ */
+ public static function isDateTimeFormatCode($pFormatCode)
+ {
+ if (strtolower($pFormatCode) === strtolower(NumberFormat::FORMAT_GENERAL)) {
+ // "General" contains an epoch letter 'e', so we trap for it explicitly here (case-insensitive check)
+ return false;
+ }
+ if (preg_match('/[0#]E[+-]0/i', $pFormatCode)) {
+ // Scientific format
+ return false;
+ }
+
+ // Switch on formatcode
+ switch ($pFormatCode) {
+ // Explicitly defined date formats
+ case NumberFormat::FORMAT_DATE_YYYYMMDD:
+ case NumberFormat::FORMAT_DATE_YYYYMMDD2:
+ case NumberFormat::FORMAT_DATE_DDMMYYYY:
+ case NumberFormat::FORMAT_DATE_DMYSLASH:
+ case NumberFormat::FORMAT_DATE_DMYMINUS:
+ case NumberFormat::FORMAT_DATE_DMMINUS:
+ case NumberFormat::FORMAT_DATE_MYMINUS:
+ case NumberFormat::FORMAT_DATE_DATETIME:
+ case NumberFormat::FORMAT_DATE_TIME1:
+ case NumberFormat::FORMAT_DATE_TIME2:
+ case NumberFormat::FORMAT_DATE_TIME3:
+ case NumberFormat::FORMAT_DATE_TIME4:
+ case NumberFormat::FORMAT_DATE_TIME5:
+ case NumberFormat::FORMAT_DATE_TIME6:
+ case NumberFormat::FORMAT_DATE_TIME7:
+ case NumberFormat::FORMAT_DATE_TIME8:
+ case NumberFormat::FORMAT_DATE_YYYYMMDDSLASH:
+ case NumberFormat::FORMAT_DATE_XLSX14:
+ case NumberFormat::FORMAT_DATE_XLSX15:
+ case NumberFormat::FORMAT_DATE_XLSX16:
+ case NumberFormat::FORMAT_DATE_XLSX17:
+ case NumberFormat::FORMAT_DATE_XLSX22:
+ return true;
+ }
+
+ // Typically number, currency or accounting (or occasionally fraction) formats
+ if ((substr($pFormatCode, 0, 1) == '_') || (substr($pFormatCode, 0, 2) == '0 ')) {
+ return false;
+ }
+ // Some "special formats" provided in German Excel versions were detected as date time value,
+ // so filter them out here - "\C\H\-00000" (Switzerland) and "\D-00000" (Germany).
+ if (\strpos($pFormatCode, '-00000') !== false) {
+ return false;
+ }
+ // Try checking for any of the date formatting characters that don't appear within square braces
+ if (preg_match('/(^|\])[^\[]*[' . self::$possibleDateFormatCharacters . ']/i', $pFormatCode)) {
+ // We might also have a format mask containing quoted strings...
+ // we don't want to test for any of our characters within the quoted blocks
+ if (strpos($pFormatCode, '"') !== false) {
+ $segMatcher = false;
+ foreach (explode('"', $pFormatCode) as $subVal) {
+ // Only test in alternate array entries (the non-quoted blocks)
+ if (
+ ($segMatcher = !$segMatcher) &&
+ (preg_match('/(^|\])[^\[]*[' . self::$possibleDateFormatCharacters . ']/i', $subVal))
+ ) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ return true;
+ }
+
+ // No date...
+ return false;
+ }
+
+ /**
+ * Convert a date/time string to Excel time.
+ *
+ * @param string $dateValue Examples: '2009-12-31', '2009-12-31 15:59', '2009-12-31 15:59:10'
+ *
+ * @return false|float Excel date/time serial value
+ */
+ public static function stringToExcel($dateValue)
+ {
+ if (strlen($dateValue) < 2) {
+ return false;
+ }
+ if (!preg_match('/^(\d{1,4}[ \.\/\-][A-Z]{3,9}([ \.\/\-]\d{1,4})?|[A-Z]{3,9}[ \.\/\-]\d{1,4}([ \.\/\-]\d{1,4})?|\d{1,4}[ \.\/\-]\d{1,4}([ \.\/\-]\d{1,4})?)( \d{1,2}:\d{1,2}(:\d{1,2})?)?$/iu', $dateValue)) {
+ return false;
+ }
+
+ $dateValueNew = DateTime::DATEVALUE($dateValue);
+
+ if ($dateValueNew === Functions::VALUE()) {
+ return false;
+ }
+
+ if (strpos($dateValue, ':') !== false) {
+ $timeValue = DateTime::TIMEVALUE($dateValue);
+ if ($timeValue === Functions::VALUE()) {
+ return false;
+ }
+ $dateValueNew += $timeValue;
+ }
+
+ return $dateValueNew;
+ }
+
+ /**
+ * Converts a month name (either a long or a short name) to a month number.
+ *
+ * @param string $month Month name or abbreviation
+ *
+ * @return int|string Month number (1 - 12), or the original string argument if it isn't a valid month name
+ */
+ public static function monthStringToNumber($month)
+ {
+ $monthIndex = 1;
+ foreach (self::$monthNames as $shortMonthName => $longMonthName) {
+ if (($month === $longMonthName) || ($month === $shortMonthName)) {
+ return $monthIndex;
+ }
+ ++$monthIndex;
+ }
+
+ return $month;
+ }
+
+ /**
+ * Strips an ordinal from a numeric value.
+ *
+ * @param string $day Day number with an ordinal
+ *
+ * @return int|string The integer value with any ordinal stripped, or the original string argument if it isn't a valid numeric
+ */
+ public static function dayStringToNumber($day)
+ {
+ $strippedDayValue = (str_replace(self::$numberSuffixes, '', $day));
+ if (is_numeric($strippedDayValue)) {
+ return (int) $strippedDayValue;
+ }
+
+ return $day;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Drawing.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Drawing.php
new file mode 100644
index 0000000..1cbc529
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Drawing.php
@@ -0,0 +1,249 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+class Drawing
+{
+ /**
+ * Convert pixels to EMU.
+ *
+ * @param int $pValue Value in pixels
+ *
+ * @return int Value in EMU
+ */
+ public static function pixelsToEMU($pValue)
+ {
+ return round($pValue * 9525);
+ }
+
+ /**
+ * Convert EMU to pixels.
+ *
+ * @param int $pValue Value in EMU
+ *
+ * @return int Value in pixels
+ */
+ public static function EMUToPixels($pValue)
+ {
+ if ($pValue != 0) {
+ return round($pValue / 9525);
+ }
+
+ return 0;
+ }
+
+ /**
+ * Convert pixels to column width. Exact algorithm not known.
+ * By inspection of a real Excel file using Calibri 11, one finds 1000px ~ 142.85546875
+ * This gives a conversion factor of 7. Also, we assume that pixels and font size are proportional.
+ *
+ * @param int $pValue Value in pixels
+ * @param \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont Default font of the workbook
+ *
+ * @return int Value in cell dimension
+ */
+ public static function pixelsToCellDimension($pValue, \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont)
+ {
+ // Font name and size
+ $name = $pDefaultFont->getName();
+ $size = $pDefaultFont->getSize();
+
+ if (isset(Font::$defaultColumnWidths[$name][$size])) {
+ // Exact width can be determined
+ $colWidth = $pValue * Font::$defaultColumnWidths[$name][$size]['width'] / Font::$defaultColumnWidths[$name][$size]['px'];
+ } else {
+ // We don't have data for this particular font and size, use approximation by
+ // extrapolating from Calibri 11
+ $colWidth = $pValue * 11 * Font::$defaultColumnWidths['Calibri'][11]['width'] / Font::$defaultColumnWidths['Calibri'][11]['px'] / $size;
+ }
+
+ return $colWidth;
+ }
+
+ /**
+ * Convert column width from (intrinsic) Excel units to pixels.
+ *
+ * @param float $pValue Value in cell dimension
+ * @param \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont Default font of the workbook
+ *
+ * @return int Value in pixels
+ */
+ public static function cellDimensionToPixels($pValue, \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont)
+ {
+ // Font name and size
+ $name = $pDefaultFont->getName();
+ $size = $pDefaultFont->getSize();
+
+ if (isset(Font::$defaultColumnWidths[$name][$size])) {
+ // Exact width can be determined
+ $colWidth = $pValue * Font::$defaultColumnWidths[$name][$size]['px'] / Font::$defaultColumnWidths[$name][$size]['width'];
+ } else {
+ // We don't have data for this particular font and size, use approximation by
+ // extrapolating from Calibri 11
+ $colWidth = $pValue * $size * Font::$defaultColumnWidths['Calibri'][11]['px'] / Font::$defaultColumnWidths['Calibri'][11]['width'] / 11;
+ }
+
+ // Round pixels to closest integer
+ $colWidth = (int) round($colWidth);
+
+ return $colWidth;
+ }
+
+ /**
+ * Convert pixels to points.
+ *
+ * @param int $pValue Value in pixels
+ *
+ * @return float Value in points
+ */
+ public static function pixelsToPoints($pValue)
+ {
+ return $pValue * 0.67777777;
+ }
+
+ /**
+ * Convert points to pixels.
+ *
+ * @param int $pValue Value in points
+ *
+ * @return int Value in pixels
+ */
+ public static function pointsToPixels($pValue)
+ {
+ if ($pValue != 0) {
+ return (int) ceil($pValue * 1.333333333);
+ }
+
+ return 0;
+ }
+
+ /**
+ * Convert degrees to angle.
+ *
+ * @param int $pValue Degrees
+ *
+ * @return int Angle
+ */
+ public static function degreesToAngle($pValue)
+ {
+ return (int) round($pValue * 60000);
+ }
+
+ /**
+ * Convert angle to degrees.
+ *
+ * @param int $pValue Angle
+ *
+ * @return int Degrees
+ */
+ public static function angleToDegrees($pValue)
+ {
+ if ($pValue != 0) {
+ return round($pValue / 60000);
+ }
+
+ return 0;
+ }
+
+ /**
+ * Create a new image from file. By alexander at alexauto dot nl.
+ *
+ * @see http://www.php.net/manual/en/function.imagecreatefromwbmp.php#86214
+ *
+ * @param string $p_sFile Path to Windows DIB (BMP) image
+ *
+ * @return resource
+ */
+ public static function imagecreatefrombmp($p_sFile)
+ {
+ // Load the image into a string
+ $file = fopen($p_sFile, 'rb');
+ $read = fread($file, 10);
+ while (!feof($file) && ($read != '')) {
+ $read .= fread($file, 1024);
+ }
+
+ $temp = unpack('H*', $read);
+ $hex = $temp[1];
+ $header = substr($hex, 0, 108);
+
+ // Process the header
+ // Structure: http://www.fastgraph.com/help/bmp_header_format.html
+ if (substr($header, 0, 4) == '424d') {
+ // Cut it in parts of 2 bytes
+ $header_parts = str_split($header, 2);
+
+ // Get the width 4 bytes
+ $width = hexdec($header_parts[19] . $header_parts[18]);
+
+ // Get the height 4 bytes
+ $height = hexdec($header_parts[23] . $header_parts[22]);
+
+ // Unset the header params
+ unset($header_parts);
+ }
+
+ // Define starting X and Y
+ $x = 0;
+ $y = 1;
+
+ // Create newimage
+ $image = imagecreatetruecolor($width, $height);
+
+ // Grab the body from the image
+ $body = substr($hex, 108);
+
+ // Calculate if padding at the end-line is needed
+ // Divided by two to keep overview.
+ // 1 byte = 2 HEX-chars
+ $body_size = (strlen($body) / 2);
+ $header_size = ($width * $height);
+
+ // Use end-line padding? Only when needed
+ $usePadding = ($body_size > ($header_size * 3) + 4);
+
+ // Using a for-loop with index-calculation instaid of str_split to avoid large memory consumption
+ // Calculate the next DWORD-position in the body
+ for ($i = 0; $i < $body_size; $i += 3) {
+ // Calculate line-ending and padding
+ if ($x >= $width) {
+ // If padding needed, ignore image-padding
+ // Shift i to the ending of the current 32-bit-block
+ if ($usePadding) {
+ $i += $width % 4;
+ }
+
+ // Reset horizontal position
+ $x = 0;
+
+ // Raise the height-position (bottom-up)
+ ++$y;
+
+ // Reached the image-height? Break the for-loop
+ if ($y > $height) {
+ break;
+ }
+ }
+
+ // Calculation of the RGB-pixel (defined as BGR in image-data)
+ // Define $i_pos as absolute position in the body
+ $i_pos = $i * 2;
+ $r = hexdec($body[$i_pos + 4] . $body[$i_pos + 5]);
+ $g = hexdec($body[$i_pos + 2] . $body[$i_pos + 3]);
+ $b = hexdec($body[$i_pos] . $body[$i_pos + 1]);
+
+ // Calculate and draw the pixel
+ $color = imagecolorallocate($image, $r, $g, $b);
+ imagesetpixel($image, $x, $height - $y, $color);
+
+ // Raise the horizontal position
+ ++$x;
+ }
+
+ // Unset the body / free the memory
+ unset($body);
+
+ // Return image-object
+ return $image;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher.php
new file mode 100644
index 0000000..96c9d2e
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+class Escher
+{
+ /**
+ * Drawing Group Container.
+ *
+ * @var Escher\DggContainer
+ */
+ private $dggContainer;
+
+ /**
+ * Drawing Container.
+ *
+ * @var Escher\DgContainer
+ */
+ private $dgContainer;
+
+ /**
+ * Get Drawing Group Container.
+ *
+ * @return Escher\DggContainer
+ */
+ public function getDggContainer()
+ {
+ return $this->dggContainer;
+ }
+
+ /**
+ * Set Drawing Group Container.
+ *
+ * @param Escher\DggContainer $dggContainer
+ *
+ * @return Escher\DggContainer
+ */
+ public function setDggContainer($dggContainer)
+ {
+ return $this->dggContainer = $dggContainer;
+ }
+
+ /**
+ * Get Drawing Container.
+ *
+ * @return Escher\DgContainer
+ */
+ public function getDgContainer()
+ {
+ return $this->dgContainer;
+ }
+
+ /**
+ * Set Drawing Container.
+ *
+ * @param Escher\DgContainer $dgContainer
+ *
+ * @return Escher\DgContainer
+ */
+ public function setDgContainer($dgContainer)
+ {
+ return $this->dgContainer = $dgContainer;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer.php
new file mode 100644
index 0000000..634ba9f
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer.php
@@ -0,0 +1,52 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Escher;
+
+class DgContainer
+{
+ /**
+ * Drawing index, 1-based.
+ *
+ * @var int
+ */
+ private $dgId;
+
+ /**
+ * Last shape index in this drawing.
+ *
+ * @var int
+ */
+ private $lastSpId;
+
+ private $spgrContainer;
+
+ public function getDgId()
+ {
+ return $this->dgId;
+ }
+
+ public function setDgId($value): void
+ {
+ $this->dgId = $value;
+ }
+
+ public function getLastSpId()
+ {
+ return $this->lastSpId;
+ }
+
+ public function setLastSpId($value): void
+ {
+ $this->lastSpId = $value;
+ }
+
+ public function getSpgrContainer()
+ {
+ return $this->spgrContainer;
+ }
+
+ public function setSpgrContainer($spgrContainer)
+ {
+ return $this->spgrContainer = $spgrContainer;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer/SpgrContainer.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer/SpgrContainer.php
new file mode 100644
index 0000000..8a47d8d
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer/SpgrContainer.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer;
+
+class SpgrContainer
+{
+ /**
+ * Parent Shape Group Container.
+ *
+ * @var \PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer\SpgrContainer
+ */
+ private $parent;
+
+ /**
+ * Shape Container collection.
+ *
+ * @var array
+ */
+ private $children = [];
+
+ /**
+ * Set parent Shape Group Container.
+ *
+ * @param \PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer\SpgrContainer $parent
+ */
+ public function setParent($parent): void
+ {
+ $this->parent = $parent;
+ }
+
+ /**
+ * Get the parent Shape Group Container if any.
+ *
+ * @return null|\PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer\SpgrContainer
+ */
+ public function getParent()
+ {
+ return $this->parent;
+ }
+
+ /**
+ * Add a child. This will be either spgrContainer or spContainer.
+ *
+ * @param mixed $child
+ */
+ public function addChild($child): void
+ {
+ $this->children[] = $child;
+ $child->setParent($this);
+ }
+
+ /**
+ * Get collection of Shape Containers.
+ */
+ public function getChildren()
+ {
+ return $this->children;
+ }
+
+ /**
+ * Recursively get all spContainers within this spgrContainer.
+ *
+ * @return SpgrContainer\SpContainer[]
+ */
+ public function getAllSpContainers()
+ {
+ $allSpContainers = [];
+
+ foreach ($this->children as $child) {
+ if ($child instanceof self) {
+ $allSpContainers = array_merge($allSpContainers, $child->getAllSpContainers());
+ } else {
+ $allSpContainers[] = $child;
+ }
+ }
+
+ return $allSpContainers;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer/SpgrContainer/SpContainer.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer/SpgrContainer/SpContainer.php
new file mode 100644
index 0000000..9991c83
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DgContainer/SpgrContainer/SpContainer.php
@@ -0,0 +1,369 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer\SpgrContainer;
+
+use PhpOffice\PhpSpreadsheet\Shared\Escher\DgContainer\SpgrContainer;
+
+class SpContainer
+{
+ /**
+ * Parent Shape Group Container.
+ *
+ * @var SpgrContainer
+ */
+ private $parent;
+
+ /**
+ * Is this a group shape?
+ *
+ * @var bool
+ */
+ private $spgr = false;
+
+ /**
+ * Shape type.
+ *
+ * @var int
+ */
+ private $spType;
+
+ /**
+ * Shape flag.
+ *
+ * @var int
+ */
+ private $spFlag;
+
+ /**
+ * Shape index (usually group shape has index 0, and the rest: 1,2,3...).
+ *
+ * @var int
+ */
+ private $spId;
+
+ /**
+ * Array of options.
+ *
+ * @var array
+ */
+ private $OPT;
+
+ /**
+ * Cell coordinates of upper-left corner of shape, e.g. 'A1'.
+ *
+ * @var string
+ */
+ private $startCoordinates;
+
+ /**
+ * Horizontal offset of upper-left corner of shape measured in 1/1024 of column width.
+ *
+ * @var int
+ */
+ private $startOffsetX;
+
+ /**
+ * Vertical offset of upper-left corner of shape measured in 1/256 of row height.
+ *
+ * @var int
+ */
+ private $startOffsetY;
+
+ /**
+ * Cell coordinates of bottom-right corner of shape, e.g. 'B2'.
+ *
+ * @var string
+ */
+ private $endCoordinates;
+
+ /**
+ * Horizontal offset of bottom-right corner of shape measured in 1/1024 of column width.
+ *
+ * @var int
+ */
+ private $endOffsetX;
+
+ /**
+ * Vertical offset of bottom-right corner of shape measured in 1/256 of row height.
+ *
+ * @var int
+ */
+ private $endOffsetY;
+
+ /**
+ * Set parent Shape Group Container.
+ *
+ * @param SpgrContainer $parent
+ */
+ public function setParent($parent): void
+ {
+ $this->parent = $parent;
+ }
+
+ /**
+ * Get the parent Shape Group Container.
+ *
+ * @return SpgrContainer
+ */
+ public function getParent()
+ {
+ return $this->parent;
+ }
+
+ /**
+ * Set whether this is a group shape.
+ *
+ * @param bool $value
+ */
+ public function setSpgr($value): void
+ {
+ $this->spgr = $value;
+ }
+
+ /**
+ * Get whether this is a group shape.
+ *
+ * @return bool
+ */
+ public function getSpgr()
+ {
+ return $this->spgr;
+ }
+
+ /**
+ * Set the shape type.
+ *
+ * @param int $value
+ */
+ public function setSpType($value): void
+ {
+ $this->spType = $value;
+ }
+
+ /**
+ * Get the shape type.
+ *
+ * @return int
+ */
+ public function getSpType()
+ {
+ return $this->spType;
+ }
+
+ /**
+ * Set the shape flag.
+ *
+ * @param int $value
+ */
+ public function setSpFlag($value): void
+ {
+ $this->spFlag = $value;
+ }
+
+ /**
+ * Get the shape flag.
+ *
+ * @return int
+ */
+ public function getSpFlag()
+ {
+ return $this->spFlag;
+ }
+
+ /**
+ * Set the shape index.
+ *
+ * @param int $value
+ */
+ public function setSpId($value): void
+ {
+ $this->spId = $value;
+ }
+
+ /**
+ * Get the shape index.
+ *
+ * @return int
+ */
+ public function getSpId()
+ {
+ return $this->spId;
+ }
+
+ /**
+ * Set an option for the Shape Group Container.
+ *
+ * @param int $property The number specifies the option
+ * @param mixed $value
+ */
+ public function setOPT($property, $value): void
+ {
+ $this->OPT[$property] = $value;
+ }
+
+ /**
+ * Get an option for the Shape Group Container.
+ *
+ * @param int $property The number specifies the option
+ *
+ * @return mixed
+ */
+ public function getOPT($property)
+ {
+ if (isset($this->OPT[$property])) {
+ return $this->OPT[$property];
+ }
+
+ return null;
+ }
+
+ /**
+ * Get the collection of options.
+ *
+ * @return array
+ */
+ public function getOPTCollection()
+ {
+ return $this->OPT;
+ }
+
+ /**
+ * Set cell coordinates of upper-left corner of shape.
+ *
+ * @param string $value eg: 'A1'
+ */
+ public function setStartCoordinates($value): void
+ {
+ $this->startCoordinates = $value;
+ }
+
+ /**
+ * Get cell coordinates of upper-left corner of shape.
+ *
+ * @return string
+ */
+ public function getStartCoordinates()
+ {
+ return $this->startCoordinates;
+ }
+
+ /**
+ * Set offset in x-direction of upper-left corner of shape measured in 1/1024 of column width.
+ *
+ * @param int $startOffsetX
+ */
+ public function setStartOffsetX($startOffsetX): void
+ {
+ $this->startOffsetX = $startOffsetX;
+ }
+
+ /**
+ * Get offset in x-direction of upper-left corner of shape measured in 1/1024 of column width.
+ *
+ * @return int
+ */
+ public function getStartOffsetX()
+ {
+ return $this->startOffsetX;
+ }
+
+ /**
+ * Set offset in y-direction of upper-left corner of shape measured in 1/256 of row height.
+ *
+ * @param int $startOffsetY
+ */
+ public function setStartOffsetY($startOffsetY): void
+ {
+ $this->startOffsetY = $startOffsetY;
+ }
+
+ /**
+ * Get offset in y-direction of upper-left corner of shape measured in 1/256 of row height.
+ *
+ * @return int
+ */
+ public function getStartOffsetY()
+ {
+ return $this->startOffsetY;
+ }
+
+ /**
+ * Set cell coordinates of bottom-right corner of shape.
+ *
+ * @param string $value eg: 'A1'
+ */
+ public function setEndCoordinates($value): void
+ {
+ $this->endCoordinates = $value;
+ }
+
+ /**
+ * Get cell coordinates of bottom-right corner of shape.
+ *
+ * @return string
+ */
+ public function getEndCoordinates()
+ {
+ return $this->endCoordinates;
+ }
+
+ /**
+ * Set offset in x-direction of bottom-right corner of shape measured in 1/1024 of column width.
+ *
+ * @param int $endOffsetX
+ */
+ public function setEndOffsetX($endOffsetX): void
+ {
+ $this->endOffsetX = $endOffsetX;
+ }
+
+ /**
+ * Get offset in x-direction of bottom-right corner of shape measured in 1/1024 of column width.
+ *
+ * @return int
+ */
+ public function getEndOffsetX()
+ {
+ return $this->endOffsetX;
+ }
+
+ /**
+ * Set offset in y-direction of bottom-right corner of shape measured in 1/256 of row height.
+ *
+ * @param int $endOffsetY
+ */
+ public function setEndOffsetY($endOffsetY): void
+ {
+ $this->endOffsetY = $endOffsetY;
+ }
+
+ /**
+ * Get offset in y-direction of bottom-right corner of shape measured in 1/256 of row height.
+ *
+ * @return int
+ */
+ public function getEndOffsetY()
+ {
+ return $this->endOffsetY;
+ }
+
+ /**
+ * Get the nesting level of this spContainer. This is the number of spgrContainers between this spContainer and
+ * the dgContainer. A value of 1 = immediately within first spgrContainer
+ * Higher nesting level occurs if and only if spContainer is part of a shape group.
+ *
+ * @return int Nesting level
+ */
+ public function getNestingLevel()
+ {
+ $nestingLevel = 0;
+
+ $parent = $this->getParent();
+ while ($parent instanceof SpgrContainer) {
+ ++$nestingLevel;
+ $parent = $parent->getParent();
+ }
+
+ return $nestingLevel;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer.php
new file mode 100644
index 0000000..791e63b
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer.php
@@ -0,0 +1,175 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Escher;
+
+class DggContainer
+{
+ /**
+ * Maximum shape index of all shapes in all drawings increased by one.
+ *
+ * @var int
+ */
+ private $spIdMax;
+
+ /**
+ * Total number of drawings saved.
+ *
+ * @var int
+ */
+ private $cDgSaved;
+
+ /**
+ * Total number of shapes saved (including group shapes).
+ *
+ * @var int
+ */
+ private $cSpSaved;
+
+ /**
+ * BLIP Store Container.
+ *
+ * @var DggContainer\BstoreContainer
+ */
+ private $bstoreContainer;
+
+ /**
+ * Array of options for the drawing group.
+ *
+ * @var array
+ */
+ private $OPT = [];
+
+ /**
+ * Array of identifier clusters containg information about the maximum shape identifiers.
+ *
+ * @var array
+ */
+ private $IDCLs = [];
+
+ /**
+ * Get maximum shape index of all shapes in all drawings (plus one).
+ *
+ * @return int
+ */
+ public function getSpIdMax()
+ {
+ return $this->spIdMax;
+ }
+
+ /**
+ * Set maximum shape index of all shapes in all drawings (plus one).
+ *
+ * @param int $value
+ */
+ public function setSpIdMax($value): void
+ {
+ $this->spIdMax = $value;
+ }
+
+ /**
+ * Get total number of drawings saved.
+ *
+ * @return int
+ */
+ public function getCDgSaved()
+ {
+ return $this->cDgSaved;
+ }
+
+ /**
+ * Set total number of drawings saved.
+ *
+ * @param int $value
+ */
+ public function setCDgSaved($value): void
+ {
+ $this->cDgSaved = $value;
+ }
+
+ /**
+ * Get total number of shapes saved (including group shapes).
+ *
+ * @return int
+ */
+ public function getCSpSaved()
+ {
+ return $this->cSpSaved;
+ }
+
+ /**
+ * Set total number of shapes saved (including group shapes).
+ *
+ * @param int $value
+ */
+ public function setCSpSaved($value): void
+ {
+ $this->cSpSaved = $value;
+ }
+
+ /**
+ * Get BLIP Store Container.
+ *
+ * @return DggContainer\BstoreContainer
+ */
+ public function getBstoreContainer()
+ {
+ return $this->bstoreContainer;
+ }
+
+ /**
+ * Set BLIP Store Container.
+ *
+ * @param DggContainer\BstoreContainer $bstoreContainer
+ */
+ public function setBstoreContainer($bstoreContainer): void
+ {
+ $this->bstoreContainer = $bstoreContainer;
+ }
+
+ /**
+ * Set an option for the drawing group.
+ *
+ * @param int $property The number specifies the option
+ * @param mixed $value
+ */
+ public function setOPT($property, $value): void
+ {
+ $this->OPT[$property] = $value;
+ }
+
+ /**
+ * Get an option for the drawing group.
+ *
+ * @param int $property The number specifies the option
+ *
+ * @return mixed
+ */
+ public function getOPT($property)
+ {
+ if (isset($this->OPT[$property])) {
+ return $this->OPT[$property];
+ }
+
+ return null;
+ }
+
+ /**
+ * Get identifier clusters.
+ *
+ * @return array
+ */
+ public function getIDCLs()
+ {
+ return $this->IDCLs;
+ }
+
+ /**
+ * Set identifier clusters. [<drawingId> => <max shape id>, ...].
+ *
+ * @param array $pValue
+ */
+ public function setIDCLs($pValue): void
+ {
+ $this->IDCLs = $pValue;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer.php
new file mode 100644
index 0000000..9793889
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer;
+
+class BstoreContainer
+{
+ /**
+ * BLIP Store Entries. Each of them holds one BLIP (Big Large Image or Picture).
+ *
+ * @var array
+ */
+ private $BSECollection = [];
+
+ /**
+ * Add a BLIP Store Entry.
+ *
+ * @param BstoreContainer\BSE $BSE
+ */
+ public function addBSE($BSE): void
+ {
+ $this->BSECollection[] = $BSE;
+ $BSE->setParent($this);
+ }
+
+ /**
+ * Get the collection of BLIP Store Entries.
+ *
+ * @return BstoreContainer\BSE[]
+ */
+ public function getBSECollection()
+ {
+ return $this->BSECollection;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer/BSE.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer/BSE.php
new file mode 100644
index 0000000..a56534a
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer/BSE.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer;
+
+class BSE
+{
+ const BLIPTYPE_ERROR = 0x00;
+ const BLIPTYPE_UNKNOWN = 0x01;
+ const BLIPTYPE_EMF = 0x02;
+ const BLIPTYPE_WMF = 0x03;
+ const BLIPTYPE_PICT = 0x04;
+ const BLIPTYPE_JPEG = 0x05;
+ const BLIPTYPE_PNG = 0x06;
+ const BLIPTYPE_DIB = 0x07;
+ const BLIPTYPE_TIFF = 0x11;
+ const BLIPTYPE_CMYKJPEG = 0x12;
+
+ /**
+ * The parent BLIP Store Entry Container.
+ *
+ * @var \PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer
+ */
+ private $parent;
+
+ /**
+ * The BLIP (Big Large Image or Picture).
+ *
+ * @var BSE\Blip
+ */
+ private $blip;
+
+ /**
+ * The BLIP type.
+ *
+ * @var int
+ */
+ private $blipType;
+
+ /**
+ * Set parent BLIP Store Entry Container.
+ *
+ * @param \PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer $parent
+ */
+ public function setParent($parent): void
+ {
+ $this->parent = $parent;
+ }
+
+ /**
+ * Get the BLIP.
+ *
+ * @return BSE\Blip
+ */
+ public function getBlip()
+ {
+ return $this->blip;
+ }
+
+ /**
+ * Set the BLIP.
+ *
+ * @param BSE\Blip $blip
+ */
+ public function setBlip($blip): void
+ {
+ $this->blip = $blip;
+ $blip->setParent($this);
+ }
+
+ /**
+ * Get the BLIP type.
+ *
+ * @return int
+ */
+ public function getBlipType()
+ {
+ return $this->blipType;
+ }
+
+ /**
+ * Set the BLIP type.
+ *
+ * @param int $blipType
+ */
+ public function setBlipType($blipType): void
+ {
+ $this->blipType = $blipType;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer/BSE/Blip.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer/BSE/Blip.php
new file mode 100644
index 0000000..1e44ad2
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Escher/DggContainer/BstoreContainer/BSE/Blip.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer\BSE;
+
+class Blip
+{
+ /**
+ * The parent BSE.
+ *
+ * @var \PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer\BSE
+ */
+ private $parent;
+
+ /**
+ * Raw image data.
+ *
+ * @var string
+ */
+ private $data;
+
+ /**
+ * Get the raw image data.
+ *
+ * @return string
+ */
+ public function getData()
+ {
+ return $this->data;
+ }
+
+ /**
+ * Set the raw image data.
+ *
+ * @param string $data
+ */
+ public function setData($data): void
+ {
+ $this->data = $data;
+ }
+
+ /**
+ * Set parent BSE.
+ *
+ * @param \PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer\BSE $parent
+ */
+ public function setParent($parent): void
+ {
+ $this->parent = $parent;
+ }
+
+ /**
+ * Get parent BSE.
+ *
+ * @return \PhpOffice\PhpSpreadsheet\Shared\Escher\DggContainer\BstoreContainer\BSE $parent
+ */
+ public function getParent()
+ {
+ return $this->parent;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php
new file mode 100644
index 0000000..948d119
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/File.php
@@ -0,0 +1,142 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use InvalidArgumentException;
+use ZipArchive;
+
+class File
+{
+ /**
+ * Use Temp or File Upload Temp for temporary files.
+ *
+ * @var bool
+ */
+ protected static $useUploadTempDirectory = false;
+
+ /**
+ * Set the flag indicating whether the File Upload Temp directory should be used for temporary files.
+ *
+ * @param bool $useUploadTempDir Use File Upload Temporary directory (true or false)
+ */
+ public static function setUseUploadTempDirectory($useUploadTempDir): void
+ {
+ self::$useUploadTempDirectory = (bool) $useUploadTempDir;
+ }
+
+ /**
+ * Get the flag indicating whether the File Upload Temp directory should be used for temporary files.
+ *
+ * @return bool Use File Upload Temporary directory (true or false)
+ */
+ public static function getUseUploadTempDirectory()
+ {
+ return self::$useUploadTempDirectory;
+ }
+
+ /**
+ * Verify if a file exists.
+ *
+ * @param string $pFilename Filename
+ *
+ * @return bool
+ */
+ public static function fileExists($pFilename)
+ {
+ // Sick construction, but it seems that
+ // file_exists returns strange values when
+ // doing the original file_exists on ZIP archives...
+ if (strtolower(substr($pFilename, 0, 3)) == 'zip') {
+ // Open ZIP file and verify if the file exists
+ $zipFile = substr($pFilename, 6, strpos($pFilename, '#') - 6);
+ $archiveFile = substr($pFilename, strpos($pFilename, '#') + 1);
+
+ $zip = new ZipArchive();
+ if ($zip->open($zipFile) === true) {
+ $returnValue = ($zip->getFromName($archiveFile) !== false);
+ $zip->close();
+
+ return $returnValue;
+ }
+
+ return false;
+ }
+
+ return file_exists($pFilename);
+ }
+
+ /**
+ * Returns canonicalized absolute pathname, also for ZIP archives.
+ *
+ * @param string $pFilename
+ *
+ * @return string
+ */
+ public static function realpath($pFilename)
+ {
+ // Returnvalue
+ $returnValue = '';
+
+ // Try using realpath()
+ if (file_exists($pFilename)) {
+ $returnValue = realpath($pFilename);
+ }
+
+ // Found something?
+ if ($returnValue == '' || ($returnValue === null)) {
+ $pathArray = explode('/', $pFilename);
+ while (in_array('..', $pathArray) && $pathArray[0] != '..') {
+ $iMax = count($pathArray);
+ for ($i = 0; $i < $iMax; ++$i) {
+ if ($pathArray[$i] == '..' && $i > 0) {
+ unset($pathArray[$i], $pathArray[$i - 1]);
+
+ break;
+ }
+ }
+ }
+ $returnValue = implode('/', $pathArray);
+ }
+
+ // Return
+ return $returnValue;
+ }
+
+ /**
+ * Get the systems temporary directory.
+ *
+ * @return string
+ */
+ public static function sysGetTempDir()
+ {
+ if (self::$useUploadTempDirectory) {
+ // use upload-directory when defined to allow running on environments having very restricted
+ // open_basedir configs
+ if (ini_get('upload_tmp_dir') !== false) {
+ if ($temp = ini_get('upload_tmp_dir')) {
+ if (file_exists($temp)) {
+ return realpath($temp);
+ }
+ }
+ }
+ }
+
+ return realpath(sys_get_temp_dir());
+ }
+
+ /**
+ * Assert that given path is an existing file and is readable, otherwise throw exception.
+ *
+ * @param string $filename
+ */
+ public static function assertFile($filename): void
+ {
+ if (!is_file($filename)) {
+ throw new InvalidArgumentException('File "' . $filename . '" does not exist.');
+ }
+
+ if (!is_readable($filename)) {
+ throw new InvalidArgumentException('Could not open "' . $filename . '" for reading.');
+ }
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Font.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Font.php
new file mode 100644
index 0000000..88766a5
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Font.php
@@ -0,0 +1,763 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
+use PhpOffice\PhpSpreadsheet\RichText\RichText;
+
+class Font
+{
+ // Methods for resolving autosize value
+ const AUTOSIZE_METHOD_APPROX = 'approx';
+ const AUTOSIZE_METHOD_EXACT = 'exact';
+
+ private static $autoSizeMethods = [
+ self::AUTOSIZE_METHOD_APPROX,
+ self::AUTOSIZE_METHOD_EXACT,
+ ];
+
+ /** Character set codes used by BIFF5-8 in Font records */
+ const CHARSET_ANSI_LATIN = 0x00;
+ const CHARSET_SYSTEM_DEFAULT = 0x01;
+ const CHARSET_SYMBOL = 0x02;
+ const CHARSET_APPLE_ROMAN = 0x4D;
+ const CHARSET_ANSI_JAPANESE_SHIFTJIS = 0x80;
+ const CHARSET_ANSI_KOREAN_HANGUL = 0x81;
+ const CHARSET_ANSI_KOREAN_JOHAB = 0x82;
+ const CHARSET_ANSI_CHINESE_SIMIPLIFIED = 0x86; // gb2312
+ const CHARSET_ANSI_CHINESE_TRADITIONAL = 0x88; // big5
+ const CHARSET_ANSI_GREEK = 0xA1;
+ const CHARSET_ANSI_TURKISH = 0xA2;
+ const CHARSET_ANSI_VIETNAMESE = 0xA3;
+ const CHARSET_ANSI_HEBREW = 0xB1;
+ const CHARSET_ANSI_ARABIC = 0xB2;
+ const CHARSET_ANSI_BALTIC = 0xBA;
+ const CHARSET_ANSI_CYRILLIC = 0xCC;
+ const CHARSET_ANSI_THAI = 0xDD;
+ const CHARSET_ANSI_LATIN_II = 0xEE;
+ const CHARSET_OEM_LATIN_I = 0xFF;
+
+ // XXX: Constants created!
+ /** Font filenames */
+ const ARIAL = 'arial.ttf';
+ const ARIAL_BOLD = 'arialbd.ttf';
+ const ARIAL_ITALIC = 'ariali.ttf';
+ const ARIAL_BOLD_ITALIC = 'arialbi.ttf';
+
+ const CALIBRI = 'CALIBRI.TTF';
+ const CALIBRI_BOLD = 'CALIBRIB.TTF';
+ const CALIBRI_ITALIC = 'CALIBRII.TTF';
+ const CALIBRI_BOLD_ITALIC = 'CALIBRIZ.TTF';
+
+ const COMIC_SANS_MS = 'comic.ttf';
+ const COMIC_SANS_MS_BOLD = 'comicbd.ttf';
+
+ const COURIER_NEW = 'cour.ttf';
+ const COURIER_NEW_BOLD = 'courbd.ttf';
+ const COURIER_NEW_ITALIC = 'couri.ttf';
+ const COURIER_NEW_BOLD_ITALIC = 'courbi.ttf';
+
+ const GEORGIA = 'georgia.ttf';
+ const GEORGIA_BOLD = 'georgiab.ttf';
+ const GEORGIA_ITALIC = 'georgiai.ttf';
+ const GEORGIA_BOLD_ITALIC = 'georgiaz.ttf';
+
+ const IMPACT = 'impact.ttf';
+
+ const LIBERATION_SANS = 'LiberationSans-Regular.ttf';
+ const LIBERATION_SANS_BOLD = 'LiberationSans-Bold.ttf';
+ const LIBERATION_SANS_ITALIC = 'LiberationSans-Italic.ttf';
+ const LIBERATION_SANS_BOLD_ITALIC = 'LiberationSans-BoldItalic.ttf';
+
+ const LUCIDA_CONSOLE = 'lucon.ttf';
+ const LUCIDA_SANS_UNICODE = 'l_10646.ttf';
+
+ const MICROSOFT_SANS_SERIF = 'micross.ttf';
+
+ const PALATINO_LINOTYPE = 'pala.ttf';
+ const PALATINO_LINOTYPE_BOLD = 'palab.ttf';
+ const PALATINO_LINOTYPE_ITALIC = 'palai.ttf';
+ const PALATINO_LINOTYPE_BOLD_ITALIC = 'palabi.ttf';
+
+ const SYMBOL = 'symbol.ttf';
+
+ const TAHOMA = 'tahoma.ttf';
+ const TAHOMA_BOLD = 'tahomabd.ttf';
+
+ const TIMES_NEW_ROMAN = 'times.ttf';
+ const TIMES_NEW_ROMAN_BOLD = 'timesbd.ttf';
+ const TIMES_NEW_ROMAN_ITALIC = 'timesi.ttf';
+ const TIMES_NEW_ROMAN_BOLD_ITALIC = 'timesbi.ttf';
+
+ const TREBUCHET_MS = 'trebuc.ttf';
+ const TREBUCHET_MS_BOLD = 'trebucbd.ttf';
+ const TREBUCHET_MS_ITALIC = 'trebucit.ttf';
+ const TREBUCHET_MS_BOLD_ITALIC = 'trebucbi.ttf';
+
+ const VERDANA = 'verdana.ttf';
+ const VERDANA_BOLD = 'verdanab.ttf';
+ const VERDANA_ITALIC = 'verdanai.ttf';
+ const VERDANA_BOLD_ITALIC = 'verdanaz.ttf';
+
+ /**
+ * AutoSize method.
+ *
+ * @var string
+ */
+ private static $autoSizeMethod = self::AUTOSIZE_METHOD_APPROX;
+
+ /**
+ * Path to folder containing TrueType font .ttf files.
+ *
+ * @var string
+ */
+ private static $trueTypeFontPath = null;
+
+ /**
+ * How wide is a default column for a given default font and size?
+ * Empirical data found by inspecting real Excel files and reading off the pixel width
+ * in Microsoft Office Excel 2007.
+ *
+ * @var array
+ */
+ public static $defaultColumnWidths = [
+ 'Arial' => [
+ 1 => ['px' => 24, 'width' => 12.00000000],
+ 2 => ['px' => 24, 'width' => 12.00000000],
+ 3 => ['px' => 32, 'width' => 10.66406250],
+ 4 => ['px' => 32, 'width' => 10.66406250],
+ 5 => ['px' => 40, 'width' => 10.00000000],
+ 6 => ['px' => 48, 'width' => 9.59765625],
+ 7 => ['px' => 48, 'width' => 9.59765625],
+ 8 => ['px' => 56, 'width' => 9.33203125],
+ 9 => ['px' => 64, 'width' => 9.14062500],
+ 10 => ['px' => 64, 'width' => 9.14062500],
+ ],
+ 'Calibri' => [
+ 1 => ['px' => 24, 'width' => 12.00000000],
+ 2 => ['px' => 24, 'width' => 12.00000000],
+ 3 => ['px' => 32, 'width' => 10.66406250],
+ 4 => ['px' => 32, 'width' => 10.66406250],
+ 5 => ['px' => 40, 'width' => 10.00000000],
+ 6 => ['px' => 48, 'width' => 9.59765625],
+ 7 => ['px' => 48, 'width' => 9.59765625],
+ 8 => ['px' => 56, 'width' => 9.33203125],
+ 9 => ['px' => 56, 'width' => 9.33203125],
+ 10 => ['px' => 64, 'width' => 9.14062500],
+ 11 => ['px' => 64, 'width' => 9.14062500],
+ ],
+ 'Verdana' => [
+ 1 => ['px' => 24, 'width' => 12.00000000],
+ 2 => ['px' => 24, 'width' => 12.00000000],
+ 3 => ['px' => 32, 'width' => 10.66406250],
+ 4 => ['px' => 32, 'width' => 10.66406250],
+ 5 => ['px' => 40, 'width' => 10.00000000],
+ 6 => ['px' => 48, 'width' => 9.59765625],
+ 7 => ['px' => 48, 'width' => 9.59765625],
+ 8 => ['px' => 64, 'width' => 9.14062500],
+ 9 => ['px' => 72, 'width' => 9.00000000],
+ 10 => ['px' => 72, 'width' => 9.00000000],
+ ],
+ ];
+
+ /**
+ * Set autoSize method.
+ *
+ * @param string $pValue see self::AUTOSIZE_METHOD_*
+ *
+ * @return bool Success or failure
+ */
+ public static function setAutoSizeMethod($pValue)
+ {
+ if (!in_array($pValue, self::$autoSizeMethods)) {
+ return false;
+ }
+ self::$autoSizeMethod = $pValue;
+
+ return true;
+ }
+
+ /**
+ * Get autoSize method.
+ *
+ * @return string
+ */
+ public static function getAutoSizeMethod()
+ {
+ return self::$autoSizeMethod;
+ }
+
+ /**
+ * Set the path to the folder containing .ttf files. There should be a trailing slash.
+ * Typical locations on variout some platforms:
+ * <ul>
+ * <li>C:/Windows/Fonts/</li>
+ * <li>/usr/share/fonts/truetype/</li>
+ * <li>~/.fonts/</li>
+ * </ul>.
+ *
+ * @param string $pValue
+ */
+ public static function setTrueTypeFontPath($pValue): void
+ {
+ self::$trueTypeFontPath = $pValue;
+ }
+
+ /**
+ * Get the path to the folder containing .ttf files.
+ *
+ * @return string
+ */
+ public static function getTrueTypeFontPath()
+ {
+ return self::$trueTypeFontPath;
+ }
+
+ /**
+ * Calculate an (approximate) OpenXML column width, based on font size and text contained.
+ *
+ * @param \PhpOffice\PhpSpreadsheet\Style\Font $font Font object
+ * @param RichText|string $cellText Text to calculate width
+ * @param int $rotation Rotation angle
+ * @param null|\PhpOffice\PhpSpreadsheet\Style\Font $defaultFont Font object
+ *
+ * @return int Column width
+ */
+ public static function calculateColumnWidth(\PhpOffice\PhpSpreadsheet\Style\Font $font, $cellText = '', $rotation = 0, ?\PhpOffice\PhpSpreadsheet\Style\Font $defaultFont = null)
+ {
+ // If it is rich text, use plain text
+ if ($cellText instanceof RichText) {
+ $cellText = $cellText->getPlainText();
+ }
+
+ // Special case if there are one or more newline characters ("\n")
+ if (strpos($cellText, "\n") !== false) {
+ $lineTexts = explode("\n", $cellText);
+ $lineWidths = [];
+ foreach ($lineTexts as $lineText) {
+ $lineWidths[] = self::calculateColumnWidth($font, $lineText, $rotation = 0, $defaultFont);
+ }
+
+ return max($lineWidths); // width of longest line in cell
+ }
+
+ // Try to get the exact text width in pixels
+ $approximate = self::$autoSizeMethod == self::AUTOSIZE_METHOD_APPROX;
+ if (!$approximate) {
+ $columnWidthAdjust = ceil(self::getTextWidthPixelsExact('n', $font, 0) * 1.07);
+
+ try {
+ // Width of text in pixels excl. padding
+ // and addition because Excel adds some padding, just use approx width of 'n' glyph
+ $columnWidth = self::getTextWidthPixelsExact($cellText, $font, $rotation) + $columnWidthAdjust;
+ } catch (PhpSpreadsheetException $e) {
+ $approximate = true;
+ }
+ }
+
+ if ($approximate) {
+ $columnWidthAdjust = self::getTextWidthPixelsApprox('n', $font, 0);
+ // Width of text in pixels excl. padding, approximation
+ // and addition because Excel adds some padding, just use approx width of 'n' glyph
+ $columnWidth = self::getTextWidthPixelsApprox($cellText, $font, $rotation) + $columnWidthAdjust;
+ }
+
+ // Convert from pixel width to column width
+ $columnWidth = Drawing::pixelsToCellDimension($columnWidth, $defaultFont);
+
+ // Return
+ return round($columnWidth, 6);
+ }
+
+ /**
+ * Get GD text width in pixels for a string of text in a certain font at a certain rotation angle.
+ *
+ * @param string $text
+ * @param \PhpOffice\PhpSpreadsheet\Style\Font
+ * @param int $rotation
+ *
+ * @return int
+ */
+ public static function getTextWidthPixelsExact($text, \PhpOffice\PhpSpreadsheet\Style\Font $font, $rotation = 0)
+ {
+ if (!function_exists('imagettfbbox')) {
+ throw new PhpSpreadsheetException('GD library needs to be enabled');
+ }
+
+ // font size should really be supplied in pixels in GD2,
+ // but since GD2 seems to assume 72dpi, pixels and points are the same
+ $fontFile = self::getTrueTypeFontFileFromFont($font);
+ $textBox = imagettfbbox($font->getSize(), $rotation, $fontFile, $text);
+
+ // Get corners positions
+ $lowerLeftCornerX = $textBox[0];
+ $lowerRightCornerX = $textBox[2];
+ $upperRightCornerX = $textBox[4];
+ $upperLeftCornerX = $textBox[6];
+
+ // Consider the rotation when calculating the width
+ return max($lowerRightCornerX - $upperLeftCornerX, $upperRightCornerX - $lowerLeftCornerX);
+ }
+
+ /**
+ * Get approximate width in pixels for a string of text in a certain font at a certain rotation angle.
+ *
+ * @param string $columnText
+ * @param int $rotation
+ *
+ * @return int Text width in pixels (no padding added)
+ */
+ public static function getTextWidthPixelsApprox($columnText, \PhpOffice\PhpSpreadsheet\Style\Font $font, $rotation = 0)
+ {
+ $fontName = $font->getName();
+ $fontSize = $font->getSize();
+
+ // Calculate column width in pixels. We assume fixed glyph width. Result varies with font name and size.
+ switch ($fontName) {
+ case 'Calibri':
+ // value 8.26 was found via interpolation by inspecting real Excel files with Calibri 11 font.
+ $columnWidth = (int) (8.26 * StringHelper::countCharacters($columnText));
+ $columnWidth = $columnWidth * $fontSize / 11; // extrapolate from font size
+
+ break;
+ case 'Arial':
+ // value 8 was set because of experience in different exports at Arial 10 font.
+ $columnWidth = (int) (8 * StringHelper::countCharacters($columnText));
+ $columnWidth = $columnWidth * $fontSize / 10; // extrapolate from font size
+
+ break;
+ case 'Verdana':
+ // value 8 was found via interpolation by inspecting real Excel files with Verdana 10 font.
+ $columnWidth = (int) (8 * StringHelper::countCharacters($columnText));
+ $columnWidth = $columnWidth * $fontSize / 10; // extrapolate from font size
+
+ break;
+ default:
+ // just assume Calibri
+ $columnWidth = (int) (8.26 * StringHelper::countCharacters($columnText));
+ $columnWidth = $columnWidth * $fontSize / 11; // extrapolate from font size
+
+ break;
+ }
+
+ // Calculate approximate rotated column width
+ if ($rotation !== 0) {
+ if ($rotation == -165) {
+ // stacked text
+ $columnWidth = 4; // approximation
+ } else {
+ // rotated text
+ $columnWidth = $columnWidth * cos(deg2rad($rotation))
+ + $fontSize * abs(sin(deg2rad($rotation))) / 5; // approximation
+ }
+ }
+
+ // pixel width is an integer
+ return (int) $columnWidth;
+ }
+
+ /**
+ * Calculate an (approximate) pixel size, based on a font points size.
+ *
+ * @param int $fontSizeInPoints Font size (in points)
+ *
+ * @return int Font size (in pixels)
+ */
+ public static function fontSizeToPixels($fontSizeInPoints)
+ {
+ return (int) ((4 / 3) * $fontSizeInPoints);
+ }
+
+ /**
+ * Calculate an (approximate) pixel size, based on inch size.
+ *
+ * @param int $sizeInInch Font size (in inch)
+ *
+ * @return int Size (in pixels)
+ */
+ public static function inchSizeToPixels($sizeInInch)
+ {
+ return $sizeInInch * 96;
+ }
+
+ /**
+ * Calculate an (approximate) pixel size, based on centimeter size.
+ *
+ * @param int $sizeInCm Font size (in centimeters)
+ *
+ * @return float Size (in pixels)
+ */
+ public static function centimeterSizeToPixels($sizeInCm)
+ {
+ return $sizeInCm * 37.795275591;
+ }
+
+ /**
+ * Returns the font path given the font.
+ *
+ * @param \PhpOffice\PhpSpreadsheet\Style\Font $font
+ *
+ * @return string Path to TrueType font file
+ */
+ public static function getTrueTypeFontFileFromFont($font)
+ {
+ if (!file_exists(self::$trueTypeFontPath) || !is_dir(self::$trueTypeFontPath)) {
+ throw new PhpSpreadsheetException('Valid directory to TrueType Font files not specified');
+ }
+
+ $name = $font->getName();
+ $bold = $font->getBold();
+ $italic = $font->getItalic();
+
+ // Check if we can map font to true type font file
+ switch ($name) {
+ case 'Arial':
+ $fontFile = (
+ $bold ? ($italic ? self::ARIAL_BOLD_ITALIC : self::ARIAL_BOLD)
+ : ($italic ? self::ARIAL_ITALIC : self::ARIAL)
+ );
+
+ break;
+ case 'Calibri':
+ $fontFile = (
+ $bold ? ($italic ? self::CALIBRI_BOLD_ITALIC : self::CALIBRI_BOLD)
+ : ($italic ? self::CALIBRI_ITALIC : self::CALIBRI)
+ );
+
+ break;
+ case 'Courier New':
+ $fontFile = (
+ $bold ? ($italic ? self::COURIER_NEW_BOLD_ITALIC : self::COURIER_NEW_BOLD)
+ : ($italic ? self::COURIER_NEW_ITALIC : self::COURIER_NEW)
+ );
+
+ break;
+ case 'Comic Sans MS':
+ $fontFile = (
+ $bold ? self::COMIC_SANS_MS_BOLD : self::COMIC_SANS_MS
+ );
+
+ break;
+ case 'Georgia':
+ $fontFile = (
+ $bold ? ($italic ? self::GEORGIA_BOLD_ITALIC : self::GEORGIA_BOLD)
+ : ($italic ? self::GEORGIA_ITALIC : self::GEORGIA)
+ );
+
+ break;
+ case 'Impact':
+ $fontFile = self::IMPACT;
+
+ break;
+ case 'Liberation Sans':
+ $fontFile = (
+ $bold ? ($italic ? self::LIBERATION_SANS_BOLD_ITALIC : self::LIBERATION_SANS_BOLD)
+ : ($italic ? self::LIBERATION_SANS_ITALIC : self::LIBERATION_SANS)
+ );
+
+ break;
+ case 'Lucida Console':
+ $fontFile = self::LUCIDA_CONSOLE;
+
+ break;
+ case 'Lucida Sans Unicode':
+ $fontFile = self::LUCIDA_SANS_UNICODE;
+
+ break;
+ case 'Microsoft Sans Serif':
+ $fontFile = self::MICROSOFT_SANS_SERIF;
+
+ break;
+ case 'Palatino Linotype':
+ $fontFile = (
+ $bold ? ($italic ? self::PALATINO_LINOTYPE_BOLD_ITALIC : self::PALATINO_LINOTYPE_BOLD)
+ : ($italic ? self::PALATINO_LINOTYPE_ITALIC : self::PALATINO_LINOTYPE)
+ );
+
+ break;
+ case 'Symbol':
+ $fontFile = self::SYMBOL;
+
+ break;
+ case 'Tahoma':
+ $fontFile = (
+ $bold ? self::TAHOMA_BOLD : self::TAHOMA
+ );
+
+ break;
+ case 'Times New Roman':
+ $fontFile = (
+ $bold ? ($italic ? self::TIMES_NEW_ROMAN_BOLD_ITALIC : self::TIMES_NEW_ROMAN_BOLD)
+ : ($italic ? self::TIMES_NEW_ROMAN_ITALIC : self::TIMES_NEW_ROMAN)
+ );
+
+ break;
+ case 'Trebuchet MS':
+ $fontFile = (
+ $bold ? ($italic ? self::TREBUCHET_MS_BOLD_ITALIC : self::TREBUCHET_MS_BOLD)
+ : ($italic ? self::TREBUCHET_MS_ITALIC : self::TREBUCHET_MS)
+ );
+
+ break;
+ case 'Verdana':
+ $fontFile = (
+ $bold ? ($italic ? self::VERDANA_BOLD_ITALIC : self::VERDANA_BOLD)
+ : ($italic ? self::VERDANA_ITALIC : self::VERDANA)
+ );
+
+ break;
+ default:
+ throw new PhpSpreadsheetException('Unknown font name "' . $name . '". Cannot map to TrueType font file');
+
+ break;
+ }
+
+ $fontFile = self::$trueTypeFontPath . $fontFile;
+
+ // Check if file actually exists
+ if (!file_exists($fontFile)) {
+ throw new PhpSpreadsheetException('TrueType Font file not found');
+ }
+
+ return $fontFile;
+ }
+
+ /**
+ * Returns the associated charset for the font name.
+ *
+ * @param string $name Font name
+ *
+ * @return int Character set code
+ */
+ public static function getCharsetFromFontName($name)
+ {
+ switch ($name) {
+ // Add more cases. Check FONT records in real Excel files.
+ case 'EucrosiaUPC':
+ return self::CHARSET_ANSI_THAI;
+ case 'Wingdings':
+ return self::CHARSET_SYMBOL;
+ case 'Wingdings 2':
+ return self::CHARSET_SYMBOL;
+ case 'Wingdings 3':
+ return self::CHARSET_SYMBOL;
+ default:
+ return self::CHARSET_ANSI_LATIN;
+ }
+ }
+
+ /**
+ * Get the effective column width for columns without a column dimension or column with width -1
+ * For example, for Calibri 11 this is 9.140625 (64 px).
+ *
+ * @param \PhpOffice\PhpSpreadsheet\Style\Font $font The workbooks default font
+ * @param bool $pPixels true = return column width in pixels, false = return in OOXML units
+ *
+ * @return mixed Column width
+ */
+ public static function getDefaultColumnWidthByFont(\PhpOffice\PhpSpreadsheet\Style\Font $font, $pPixels = false)
+ {
+ if (isset(self::$defaultColumnWidths[$font->getName()][$font->getSize()])) {
+ // Exact width can be determined
+ $columnWidth = $pPixels ?
+ self::$defaultColumnWidths[$font->getName()][$font->getSize()]['px']
+ : self::$defaultColumnWidths[$font->getName()][$font->getSize()]['width'];
+ } else {
+ // We don't have data for this particular font and size, use approximation by
+ // extrapolating from Calibri 11
+ $columnWidth = $pPixels ?
+ self::$defaultColumnWidths['Calibri'][11]['px']
+ : self::$defaultColumnWidths['Calibri'][11]['width'];
+ $columnWidth = $columnWidth * $font->getSize() / 11;
+
+ // Round pixels to closest integer
+ if ($pPixels) {
+ $columnWidth = (int) round($columnWidth);
+ }
+ }
+
+ return $columnWidth;
+ }
+
+ /**
+ * Get the effective row height for rows without a row dimension or rows with height -1
+ * For example, for Calibri 11 this is 15 points.
+ *
+ * @param \PhpOffice\PhpSpreadsheet\Style\Font $font The workbooks default font
+ *
+ * @return float Row height in points
+ */
+ public static function getDefaultRowHeightByFont(\PhpOffice\PhpSpreadsheet\Style\Font $font)
+ {
+ switch ($font->getName()) {
+ case 'Arial':
+ switch ($font->getSize()) {
+ case 10:
+ // inspection of Arial 10 workbook says 12.75pt ~17px
+ $rowHeight = 12.75;
+
+ break;
+ case 9:
+ // inspection of Arial 9 workbook says 12.00pt ~16px
+ $rowHeight = 12;
+
+ break;
+ case 8:
+ // inspection of Arial 8 workbook says 11.25pt ~15px
+ $rowHeight = 11.25;
+
+ break;
+ case 7:
+ // inspection of Arial 7 workbook says 9.00pt ~12px
+ $rowHeight = 9;
+
+ break;
+ case 6:
+ case 5:
+ // inspection of Arial 5,6 workbook says 8.25pt ~11px
+ $rowHeight = 8.25;
+
+ break;
+ case 4:
+ // inspection of Arial 4 workbook says 6.75pt ~9px
+ $rowHeight = 6.75;
+
+ break;
+ case 3:
+ // inspection of Arial 3 workbook says 6.00pt ~8px
+ $rowHeight = 6;
+
+ break;
+ case 2:
+ case 1:
+ // inspection of Arial 1,2 workbook says 5.25pt ~7px
+ $rowHeight = 5.25;
+
+ break;
+ default:
+ // use Arial 10 workbook as an approximation, extrapolation
+ $rowHeight = 12.75 * $font->getSize() / 10;
+
+ break;
+ }
+
+ break;
+ case 'Calibri':
+ switch ($font->getSize()) {
+ case 11:
+ // inspection of Calibri 11 workbook says 15.00pt ~20px
+ $rowHeight = 15;
+
+ break;
+ case 10:
+ // inspection of Calibri 10 workbook says 12.75pt ~17px
+ $rowHeight = 12.75;
+
+ break;
+ case 9:
+ // inspection of Calibri 9 workbook says 12.00pt ~16px
+ $rowHeight = 12;
+
+ break;
+ case 8:
+ // inspection of Calibri 8 workbook says 11.25pt ~15px
+ $rowHeight = 11.25;
+
+ break;
+ case 7:
+ // inspection of Calibri 7 workbook says 9.00pt ~12px
+ $rowHeight = 9;
+
+ break;
+ case 6:
+ case 5:
+ // inspection of Calibri 5,6 workbook says 8.25pt ~11px
+ $rowHeight = 8.25;
+
+ break;
+ case 4:
+ // inspection of Calibri 4 workbook says 6.75pt ~9px
+ $rowHeight = 6.75;
+
+ break;
+ case 3:
+ // inspection of Calibri 3 workbook says 6.00pt ~8px
+ $rowHeight = 6.00;
+
+ break;
+ case 2:
+ case 1:
+ // inspection of Calibri 1,2 workbook says 5.25pt ~7px
+ $rowHeight = 5.25;
+
+ break;
+ default:
+ // use Calibri 11 workbook as an approximation, extrapolation
+ $rowHeight = 15 * $font->getSize() / 11;
+
+ break;
+ }
+
+ break;
+ case 'Verdana':
+ switch ($font->getSize()) {
+ case 10:
+ // inspection of Verdana 10 workbook says 12.75pt ~17px
+ $rowHeight = 12.75;
+
+ break;
+ case 9:
+ // inspection of Verdana 9 workbook says 11.25pt ~15px
+ $rowHeight = 11.25;
+
+ break;
+ case 8:
+ // inspection of Verdana 8 workbook says 10.50pt ~14px
+ $rowHeight = 10.50;
+
+ break;
+ case 7:
+ // inspection of Verdana 7 workbook says 9.00pt ~12px
+ $rowHeight = 9.00;
+
+ break;
+ case 6:
+ case 5:
+ // inspection of Verdana 5,6 workbook says 8.25pt ~11px
+ $rowHeight = 8.25;
+
+ break;
+ case 4:
+ // inspection of Verdana 4 workbook says 6.75pt ~9px
+ $rowHeight = 6.75;
+
+ break;
+ case 3:
+ // inspection of Verdana 3 workbook says 6.00pt ~8px
+ $rowHeight = 6;
+
+ break;
+ case 2:
+ case 1:
+ // inspection of Verdana 1,2 workbook says 5.25pt ~7px
+ $rowHeight = 5.25;
+
+ break;
+ default:
+ // use Verdana 10 workbook as an approximation, extrapolation
+ $rowHeight = 12.75 * $font->getSize() / 10;
+
+ break;
+ }
+
+ break;
+ default:
+ // just use Calibri as an approximation
+ $rowHeight = 15 * $font->getSize() / 11;
+
+ break;
+ }
+
+ return $rowHeight;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/CHANGELOG.TXT b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/CHANGELOG.TXT
new file mode 100644
index 0000000..2fc9cd4
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/CHANGELOG.TXT
@@ -0,0 +1,16 @@
+Mar 1, 2005 11:15 AST by PM
+
++ For consistency, renamed Math.php to Maths.java, utils to util,
+ tests to test, docs to doc -
+
++ Removed conditional logic from top of Matrix class.
+
++ Switched to using hypo function in Maths.php for all php-hypot calls.
+ NOTE TO SELF: Need to make sure that all decompositions have been
+ switched over to using the bundled hypo.
+
+Feb 25, 2005 at 10:00 AST by PM
+
++ Recommend using simpler Error.php instead of JAMA_Error.php but
+ can be persuaded otherwise.
+
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/CholeskyDecomposition.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/CholeskyDecomposition.php
new file mode 100644
index 0000000..4f7c666
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/CholeskyDecomposition.php
@@ -0,0 +1,147 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\JAMA;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Exception as CalculationException;
+
+/**
+ * Cholesky decomposition class.
+ *
+ * For a symmetric, positive definite matrix A, the Cholesky decomposition
+ * is an lower triangular matrix L so that A = L*L'.
+ *
+ * If the matrix is not symmetric or positive definite, the constructor
+ * returns a partial decomposition and sets an internal flag that may
+ * be queried by the isSPD() method.
+ *
+ * @author Paul Meagher
+ * @author Michael Bommarito
+ *
+ * @version 1.2
+ */
+class CholeskyDecomposition
+{
+ /**
+ * Decomposition storage.
+ *
+ * @var array
+ */
+ private $L = [];
+
+ /**
+ * Matrix row and column dimension.
+ *
+ * @var int
+ */
+ private $m;
+
+ /**
+ * Symmetric positive definite flag.
+ *
+ * @var bool
+ */
+ private $isspd = true;
+
+ /**
+ * CholeskyDecomposition.
+ *
+ * Class constructor - decomposes symmetric positive definite matrix
+ *
+ * @param Matrix $A Matrix square symmetric positive definite matrix
+ */
+ public function __construct(Matrix $A)
+ {
+ $this->L = $A->getArray();
+ $this->m = $A->getRowDimension();
+
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = $i; $j < $this->m; ++$j) {
+ for ($sum = $this->L[$i][$j], $k = $i - 1; $k >= 0; --$k) {
+ $sum -= $this->L[$i][$k] * $this->L[$j][$k];
+ }
+ if ($i == $j) {
+ if ($sum >= 0) {
+ $this->L[$i][$i] = sqrt($sum);
+ } else {
+ $this->isspd = false;
+ }
+ } else {
+ if ($this->L[$i][$i] != 0) {
+ $this->L[$j][$i] = $sum / $this->L[$i][$i];
+ }
+ }
+ }
+
+ for ($k = $i + 1; $k < $this->m; ++$k) {
+ $this->L[$i][$k] = 0.0;
+ }
+ }
+ }
+
+ /**
+ * Is the matrix symmetric and positive definite?
+ *
+ * @return bool
+ */
+ public function isSPD()
+ {
+ return $this->isspd;
+ }
+
+ /**
+ * getL.
+ *
+ * Return triangular factor.
+ *
+ * @return Matrix Lower triangular matrix
+ */
+ public function getL()
+ {
+ return new Matrix($this->L);
+ }
+
+ /**
+ * Solve A*X = B.
+ *
+ * @param $B Row-equal matrix
+ *
+ * @return Matrix L * L' * X = B
+ */
+ public function solve(Matrix $B)
+ {
+ if ($B->getRowDimension() == $this->m) {
+ if ($this->isspd) {
+ $X = $B->getArrayCopy();
+ $nx = $B->getColumnDimension();
+
+ for ($k = 0; $k < $this->m; ++$k) {
+ for ($i = $k + 1; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $nx; ++$j) {
+ $X[$i][$j] -= $X[$k][$j] * $this->L[$i][$k];
+ }
+ }
+ for ($j = 0; $j < $nx; ++$j) {
+ $X[$k][$j] /= $this->L[$k][$k];
+ }
+ }
+
+ for ($k = $this->m - 1; $k >= 0; --$k) {
+ for ($j = 0; $j < $nx; ++$j) {
+ $X[$k][$j] /= $this->L[$k][$k];
+ }
+ for ($i = 0; $i < $k; ++$i) {
+ for ($j = 0; $j < $nx; ++$j) {
+ $X[$i][$j] -= $X[$k][$j] * $this->L[$k][$i];
+ }
+ }
+ }
+
+ return new Matrix($X, $this->m, $nx);
+ }
+
+ throw new CalculationException(Matrix::MATRIX_SPD_EXCEPTION);
+ }
+
+ throw new CalculationException(Matrix::MATRIX_DIMENSION_EXCEPTION);
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/EigenvalueDecomposition.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/EigenvalueDecomposition.php
new file mode 100644
index 0000000..a8fc240
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/EigenvalueDecomposition.php
@@ -0,0 +1,863 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\JAMA;
+
+/**
+ * Class to obtain eigenvalues and eigenvectors of a real matrix.
+ *
+ * If A is symmetric, then A = V*D*V' where the eigenvalue matrix D
+ * is diagonal and the eigenvector matrix V is orthogonal (i.e.
+ * A = V.times(D.times(V.transpose())) and V.times(V.transpose())
+ * equals the identity matrix).
+ *
+ * If A is not symmetric, then the eigenvalue matrix D is block diagonal
+ * with the real eigenvalues in 1-by-1 blocks and any complex eigenvalues,
+ * lambda + i*mu, in 2-by-2 blocks, [lambda, mu; -mu, lambda]. The
+ * columns of V represent the eigenvectors in the sense that A*V = V*D,
+ * i.e. A.times(V) equals V.times(D). The matrix V may be badly
+ * conditioned, or even singular, so the validity of the equation
+ * A = V*D*inverse(V) depends upon V.cond().
+ *
+ * @author Paul Meagher
+ *
+ * @version 1.1
+ */
+class EigenvalueDecomposition
+{
+ /**
+ * Row and column dimension (square matrix).
+ *
+ * @var int
+ */
+ private $n;
+
+ /**
+ * Arrays for internal storage of eigenvalues.
+ *
+ * @var array
+ */
+ private $d = [];
+
+ private $e = [];
+
+ /**
+ * Array for internal storage of eigenvectors.
+ *
+ * @var array
+ */
+ private $V = [];
+
+ /**
+ * Array for internal storage of nonsymmetric Hessenberg form.
+ *
+ * @var array
+ */
+ private $H = [];
+
+ /**
+ * Working storage for nonsymmetric algorithm.
+ *
+ * @var array
+ */
+ private $ort;
+
+ /**
+ * Used for complex scalar division.
+ *
+ * @var float
+ */
+ private $cdivr;
+
+ private $cdivi;
+
+ /**
+ * Symmetric Householder reduction to tridiagonal form.
+ */
+ private function tred2(): void
+ {
+ // This is derived from the Algol procedures tred2 by
+ // Bowdler, Martin, Reinsch, and Wilkinson, Handbook for
+ // Auto. Comp., Vol.ii-Linear Algebra, and the corresponding
+ // Fortran subroutine in EISPACK.
+ $this->d = $this->V[$this->n - 1];
+ // Householder reduction to tridiagonal form.
+ for ($i = $this->n - 1; $i > 0; --$i) {
+ $i_ = $i - 1;
+ // Scale to avoid under/overflow.
+ $h = $scale = 0.0;
+ $scale += array_sum(array_map('abs', $this->d));
+ if ($scale == 0.0) {
+ $this->e[$i] = $this->d[$i_];
+ $this->d = array_slice($this->V[$i_], 0, $i_);
+ for ($j = 0; $j < $i; ++$j) {
+ $this->V[$j][$i] = $this->V[$i][$j] = 0.0;
+ }
+ } else {
+ // Generate Householder vector.
+ for ($k = 0; $k < $i; ++$k) {
+ $this->d[$k] /= $scale;
+ $h += $this->d[$k] ** 2;
+ }
+ $f = $this->d[$i_];
+ $g = sqrt($h);
+ if ($f > 0) {
+ $g = -$g;
+ }
+ $this->e[$i] = $scale * $g;
+ $h = $h - $f * $g;
+ $this->d[$i_] = $f - $g;
+ for ($j = 0; $j < $i; ++$j) {
+ $this->e[$j] = 0.0;
+ }
+ // Apply similarity transformation to remaining columns.
+ for ($j = 0; $j < $i; ++$j) {
+ $f = $this->d[$j];
+ $this->V[$j][$i] = $f;
+ $g = $this->e[$j] + $this->V[$j][$j] * $f;
+ for ($k = $j + 1; $k <= $i_; ++$k) {
+ $g += $this->V[$k][$j] * $this->d[$k];
+ $this->e[$k] += $this->V[$k][$j] * $f;
+ }
+ $this->e[$j] = $g;
+ }
+ $f = 0.0;
+ for ($j = 0; $j < $i; ++$j) {
+ $this->e[$j] /= $h;
+ $f += $this->e[$j] * $this->d[$j];
+ }
+ $hh = $f / (2 * $h);
+ for ($j = 0; $j < $i; ++$j) {
+ $this->e[$j] -= $hh * $this->d[$j];
+ }
+ for ($j = 0; $j < $i; ++$j) {
+ $f = $this->d[$j];
+ $g = $this->e[$j];
+ for ($k = $j; $k <= $i_; ++$k) {
+ $this->V[$k][$j] -= ($f * $this->e[$k] + $g * $this->d[$k]);
+ }
+ $this->d[$j] = $this->V[$i - 1][$j];
+ $this->V[$i][$j] = 0.0;
+ }
+ }
+ $this->d[$i] = $h;
+ }
+
+ // Accumulate transformations.
+ for ($i = 0; $i < $this->n - 1; ++$i) {
+ $this->V[$this->n - 1][$i] = $this->V[$i][$i];
+ $this->V[$i][$i] = 1.0;
+ $h = $this->d[$i + 1];
+ if ($h != 0.0) {
+ for ($k = 0; $k <= $i; ++$k) {
+ $this->d[$k] = $this->V[$k][$i + 1] / $h;
+ }
+ for ($j = 0; $j <= $i; ++$j) {
+ $g = 0.0;
+ for ($k = 0; $k <= $i; ++$k) {
+ $g += $this->V[$k][$i + 1] * $this->V[$k][$j];
+ }
+ for ($k = 0; $k <= $i; ++$k) {
+ $this->V[$k][$j] -= $g * $this->d[$k];
+ }
+ }
+ }
+ for ($k = 0; $k <= $i; ++$k) {
+ $this->V[$k][$i + 1] = 0.0;
+ }
+ }
+
+ $this->d = $this->V[$this->n - 1];
+ $this->V[$this->n - 1] = array_fill(0, $j, 0.0);
+ $this->V[$this->n - 1][$this->n - 1] = 1.0;
+ $this->e[0] = 0.0;
+ }
+
+ /**
+ * Symmetric tridiagonal QL algorithm.
+ *
+ * This is derived from the Algol procedures tql2, by
+ * Bowdler, Martin, Reinsch, and Wilkinson, Handbook for
+ * Auto. Comp., Vol.ii-Linear Algebra, and the corresponding
+ * Fortran subroutine in EISPACK.
+ */
+ private function tql2(): void
+ {
+ for ($i = 1; $i < $this->n; ++$i) {
+ $this->e[$i - 1] = $this->e[$i];
+ }
+ $this->e[$this->n - 1] = 0.0;
+ $f = 0.0;
+ $tst1 = 0.0;
+ $eps = 2.0 ** (-52.0);
+
+ for ($l = 0; $l < $this->n; ++$l) {
+ // Find small subdiagonal element
+ $tst1 = max($tst1, abs($this->d[$l]) + abs($this->e[$l]));
+ $m = $l;
+ while ($m < $this->n) {
+ if (abs($this->e[$m]) <= $eps * $tst1) {
+ break;
+ }
+ ++$m;
+ }
+ // If m == l, $this->d[l] is an eigenvalue,
+ // otherwise, iterate.
+ if ($m > $l) {
+ $iter = 0;
+ do {
+ // Could check iteration count here.
+ ++$iter;
+ // Compute implicit shift
+ $g = $this->d[$l];
+ $p = ($this->d[$l + 1] - $g) / (2.0 * $this->e[$l]);
+ $r = hypo($p, 1.0);
+ if ($p < 0) {
+ $r *= -1;
+ }
+ $this->d[$l] = $this->e[$l] / ($p + $r);
+ $this->d[$l + 1] = $this->e[$l] * ($p + $r);
+ $dl1 = $this->d[$l + 1];
+ $h = $g - $this->d[$l];
+ for ($i = $l + 2; $i < $this->n; ++$i) {
+ $this->d[$i] -= $h;
+ }
+ $f += $h;
+ // Implicit QL transformation.
+ $p = $this->d[$m];
+ $c = 1.0;
+ $c2 = $c3 = $c;
+ $el1 = $this->e[$l + 1];
+ $s = $s2 = 0.0;
+ for ($i = $m - 1; $i >= $l; --$i) {
+ $c3 = $c2;
+ $c2 = $c;
+ $s2 = $s;
+ $g = $c * $this->e[$i];
+ $h = $c * $p;
+ $r = hypo($p, $this->e[$i]);
+ $this->e[$i + 1] = $s * $r;
+ $s = $this->e[$i] / $r;
+ $c = $p / $r;
+ $p = $c * $this->d[$i] - $s * $g;
+ $this->d[$i + 1] = $h + $s * ($c * $g + $s * $this->d[$i]);
+ // Accumulate transformation.
+ for ($k = 0; $k < $this->n; ++$k) {
+ $h = $this->V[$k][$i + 1];
+ $this->V[$k][$i + 1] = $s * $this->V[$k][$i] + $c * $h;
+ $this->V[$k][$i] = $c * $this->V[$k][$i] - $s * $h;
+ }
+ }
+ $p = -$s * $s2 * $c3 * $el1 * $this->e[$l] / $dl1;
+ $this->e[$l] = $s * $p;
+ $this->d[$l] = $c * $p;
+ // Check for convergence.
+ } while (abs($this->e[$l]) > $eps * $tst1);
+ }
+ $this->d[$l] = $this->d[$l] + $f;
+ $this->e[$l] = 0.0;
+ }
+
+ // Sort eigenvalues and corresponding vectors.
+ for ($i = 0; $i < $this->n - 1; ++$i) {
+ $k = $i;
+ $p = $this->d[$i];
+ for ($j = $i + 1; $j < $this->n; ++$j) {
+ if ($this->d[$j] < $p) {
+ $k = $j;
+ $p = $this->d[$j];
+ }
+ }
+ if ($k != $i) {
+ $this->d[$k] = $this->d[$i];
+ $this->d[$i] = $p;
+ for ($j = 0; $j < $this->n; ++$j) {
+ $p = $this->V[$j][$i];
+ $this->V[$j][$i] = $this->V[$j][$k];
+ $this->V[$j][$k] = $p;
+ }
+ }
+ }
+ }
+
+ /**
+ * Nonsymmetric reduction to Hessenberg form.
+ *
+ * This is derived from the Algol procedures orthes and ortran,
+ * by Martin and Wilkinson, Handbook for Auto. Comp.,
+ * Vol.ii-Linear Algebra, and the corresponding
+ * Fortran subroutines in EISPACK.
+ */
+ private function orthes(): void
+ {
+ $low = 0;
+ $high = $this->n - 1;
+
+ for ($m = $low + 1; $m <= $high - 1; ++$m) {
+ // Scale column.
+ $scale = 0.0;
+ for ($i = $m; $i <= $high; ++$i) {
+ $scale = $scale + abs($this->H[$i][$m - 1]);
+ }
+ if ($scale != 0.0) {
+ // Compute Householder transformation.
+ $h = 0.0;
+ for ($i = $high; $i >= $m; --$i) {
+ $this->ort[$i] = $this->H[$i][$m - 1] / $scale;
+ $h += $this->ort[$i] * $this->ort[$i];
+ }
+ $g = sqrt($h);
+ if ($this->ort[$m] > 0) {
+ $g *= -1;
+ }
+ $h -= $this->ort[$m] * $g;
+ $this->ort[$m] -= $g;
+ // Apply Householder similarity transformation
+ // H = (I -u * u' / h) * H * (I -u * u') / h)
+ for ($j = $m; $j < $this->n; ++$j) {
+ $f = 0.0;
+ for ($i = $high; $i >= $m; --$i) {
+ $f += $this->ort[$i] * $this->H[$i][$j];
+ }
+ $f /= $h;
+ for ($i = $m; $i <= $high; ++$i) {
+ $this->H[$i][$j] -= $f * $this->ort[$i];
+ }
+ }
+ for ($i = 0; $i <= $high; ++$i) {
+ $f = 0.0;
+ for ($j = $high; $j >= $m; --$j) {
+ $f += $this->ort[$j] * $this->H[$i][$j];
+ }
+ $f = $f / $h;
+ for ($j = $m; $j <= $high; ++$j) {
+ $this->H[$i][$j] -= $f * $this->ort[$j];
+ }
+ }
+ $this->ort[$m] = $scale * $this->ort[$m];
+ $this->H[$m][$m - 1] = $scale * $g;
+ }
+ }
+
+ // Accumulate transformations (Algol's ortran).
+ for ($i = 0; $i < $this->n; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $this->V[$i][$j] = ($i == $j ? 1.0 : 0.0);
+ }
+ }
+ for ($m = $high - 1; $m >= $low + 1; --$m) {
+ if ($this->H[$m][$m - 1] != 0.0) {
+ for ($i = $m + 1; $i <= $high; ++$i) {
+ $this->ort[$i] = $this->H[$i][$m - 1];
+ }
+ for ($j = $m; $j <= $high; ++$j) {
+ $g = 0.0;
+ for ($i = $m; $i <= $high; ++$i) {
+ $g += $this->ort[$i] * $this->V[$i][$j];
+ }
+ // Double division avoids possible underflow
+ $g = ($g / $this->ort[$m]) / $this->H[$m][$m - 1];
+ for ($i = $m; $i <= $high; ++$i) {
+ $this->V[$i][$j] += $g * $this->ort[$i];
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Performs complex division.
+ *
+ * @param mixed $xr
+ * @param mixed $xi
+ * @param mixed $yr
+ * @param mixed $yi
+ */
+ private function cdiv($xr, $xi, $yr, $yi): void
+ {
+ if (abs($yr) > abs($yi)) {
+ $r = $yi / $yr;
+ $d = $yr + $r * $yi;
+ $this->cdivr = ($xr + $r * $xi) / $d;
+ $this->cdivi = ($xi - $r * $xr) / $d;
+ } else {
+ $r = $yr / $yi;
+ $d = $yi + $r * $yr;
+ $this->cdivr = ($r * $xr + $xi) / $d;
+ $this->cdivi = ($r * $xi - $xr) / $d;
+ }
+ }
+
+ /**
+ * Nonsymmetric reduction from Hessenberg to real Schur form.
+ *
+ * Code is derived from the Algol procedure hqr2,
+ * by Martin and Wilkinson, Handbook for Auto. Comp.,
+ * Vol.ii-Linear Algebra, and the corresponding
+ * Fortran subroutine in EISPACK.
+ */
+ private function hqr2(): void
+ {
+ // Initialize
+ $nn = $this->n;
+ $n = $nn - 1;
+ $low = 0;
+ $high = $nn - 1;
+ $eps = 2.0 ** (-52.0);
+ $exshift = 0.0;
+ $p = $q = $r = $s = $z = 0;
+ // Store roots isolated by balanc and compute matrix norm
+ $norm = 0.0;
+
+ for ($i = 0; $i < $nn; ++$i) {
+ if (($i < $low) || ($i > $high)) {
+ $this->d[$i] = $this->H[$i][$i];
+ $this->e[$i] = 0.0;
+ }
+ for ($j = max($i - 1, 0); $j < $nn; ++$j) {
+ $norm = $norm + abs($this->H[$i][$j]);
+ }
+ }
+
+ // Outer loop over eigenvalue index
+ $iter = 0;
+ while ($n >= $low) {
+ // Look for single small sub-diagonal element
+ $l = $n;
+ while ($l > $low) {
+ $s = abs($this->H[$l - 1][$l - 1]) + abs($this->H[$l][$l]);
+ if ($s == 0.0) {
+ $s = $norm;
+ }
+ if (abs($this->H[$l][$l - 1]) < $eps * $s) {
+ break;
+ }
+ --$l;
+ }
+ // Check for convergence
+ // One root found
+ if ($l == $n) {
+ $this->H[$n][$n] = $this->H[$n][$n] + $exshift;
+ $this->d[$n] = $this->H[$n][$n];
+ $this->e[$n] = 0.0;
+ --$n;
+ $iter = 0;
+ // Two roots found
+ } elseif ($l == $n - 1) {
+ $w = $this->H[$n][$n - 1] * $this->H[$n - 1][$n];
+ $p = ($this->H[$n - 1][$n - 1] - $this->H[$n][$n]) / 2.0;
+ $q = $p * $p + $w;
+ $z = sqrt(abs($q));
+ $this->H[$n][$n] = $this->H[$n][$n] + $exshift;
+ $this->H[$n - 1][$n - 1] = $this->H[$n - 1][$n - 1] + $exshift;
+ $x = $this->H[$n][$n];
+ // Real pair
+ if ($q >= 0) {
+ if ($p >= 0) {
+ $z = $p + $z;
+ } else {
+ $z = $p - $z;
+ }
+ $this->d[$n - 1] = $x + $z;
+ $this->d[$n] = $this->d[$n - 1];
+ if ($z != 0.0) {
+ $this->d[$n] = $x - $w / $z;
+ }
+ $this->e[$n - 1] = 0.0;
+ $this->e[$n] = 0.0;
+ $x = $this->H[$n][$n - 1];
+ $s = abs($x) + abs($z);
+ $p = $x / $s;
+ $q = $z / $s;
+ $r = sqrt($p * $p + $q * $q);
+ $p = $p / $r;
+ $q = $q / $r;
+ // Row modification
+ for ($j = $n - 1; $j < $nn; ++$j) {
+ $z = $this->H[$n - 1][$j];
+ $this->H[$n - 1][$j] = $q * $z + $p * $this->H[$n][$j];
+ $this->H[$n][$j] = $q * $this->H[$n][$j] - $p * $z;
+ }
+ // Column modification
+ for ($i = 0; $i <= $n; ++$i) {
+ $z = $this->H[$i][$n - 1];
+ $this->H[$i][$n - 1] = $q * $z + $p * $this->H[$i][$n];
+ $this->H[$i][$n] = $q * $this->H[$i][$n] - $p * $z;
+ }
+ // Accumulate transformations
+ for ($i = $low; $i <= $high; ++$i) {
+ $z = $this->V[$i][$n - 1];
+ $this->V[$i][$n - 1] = $q * $z + $p * $this->V[$i][$n];
+ $this->V[$i][$n] = $q * $this->V[$i][$n] - $p * $z;
+ }
+ // Complex pair
+ } else {
+ $this->d[$n - 1] = $x + $p;
+ $this->d[$n] = $x + $p;
+ $this->e[$n - 1] = $z;
+ $this->e[$n] = -$z;
+ }
+ $n = $n - 2;
+ $iter = 0;
+ // No convergence yet
+ } else {
+ // Form shift
+ $x = $this->H[$n][$n];
+ $y = 0.0;
+ $w = 0.0;
+ if ($l < $n) {
+ $y = $this->H[$n - 1][$n - 1];
+ $w = $this->H[$n][$n - 1] * $this->H[$n - 1][$n];
+ }
+ // Wilkinson's original ad hoc shift
+ if ($iter == 10) {
+ $exshift += $x;
+ for ($i = $low; $i <= $n; ++$i) {
+ $this->H[$i][$i] -= $x;
+ }
+ $s = abs($this->H[$n][$n - 1]) + abs($this->H[$n - 1][$n - 2]);
+ $x = $y = 0.75 * $s;
+ $w = -0.4375 * $s * $s;
+ }
+ // MATLAB's new ad hoc shift
+ if ($iter == 30) {
+ $s = ($y - $x) / 2.0;
+ $s = $s * $s + $w;
+ if ($s > 0) {
+ $s = sqrt($s);
+ if ($y < $x) {
+ $s = -$s;
+ }
+ $s = $x - $w / (($y - $x) / 2.0 + $s);
+ for ($i = $low; $i <= $n; ++$i) {
+ $this->H[$i][$i] -= $s;
+ }
+ $exshift += $s;
+ $x = $y = $w = 0.964;
+ }
+ }
+ // Could check iteration count here.
+ $iter = $iter + 1;
+ // Look for two consecutive small sub-diagonal elements
+ $m = $n - 2;
+ while ($m >= $l) {
+ $z = $this->H[$m][$m];
+ $r = $x - $z;
+ $s = $y - $z;
+ $p = ($r * $s - $w) / $this->H[$m + 1][$m] + $this->H[$m][$m + 1];
+ $q = $this->H[$m + 1][$m + 1] - $z - $r - $s;
+ $r = $this->H[$m + 2][$m + 1];
+ $s = abs($p) + abs($q) + abs($r);
+ $p = $p / $s;
+ $q = $q / $s;
+ $r = $r / $s;
+ if ($m == $l) {
+ break;
+ }
+ if (
+ abs($this->H[$m][$m - 1]) * (abs($q) + abs($r)) <
+ $eps * (abs($p) * (abs($this->H[$m - 1][$m - 1]) + abs($z) + abs($this->H[$m + 1][$m + 1])))
+ ) {
+ break;
+ }
+ --$m;
+ }
+ for ($i = $m + 2; $i <= $n; ++$i) {
+ $this->H[$i][$i - 2] = 0.0;
+ if ($i > $m + 2) {
+ $this->H[$i][$i - 3] = 0.0;
+ }
+ }
+ // Double QR step involving rows l:n and columns m:n
+ for ($k = $m; $k <= $n - 1; ++$k) {
+ $notlast = ($k != $n - 1);
+ if ($k != $m) {
+ $p = $this->H[$k][$k - 1];
+ $q = $this->H[$k + 1][$k - 1];
+ $r = ($notlast ? $this->H[$k + 2][$k - 1] : 0.0);
+ $x = abs($p) + abs($q) + abs($r);
+ if ($x != 0.0) {
+ $p = $p / $x;
+ $q = $q / $x;
+ $r = $r / $x;
+ }
+ }
+ if ($x == 0.0) {
+ break;
+ }
+ $s = sqrt($p * $p + $q * $q + $r * $r);
+ if ($p < 0) {
+ $s = -$s;
+ }
+ if ($s != 0) {
+ if ($k != $m) {
+ $this->H[$k][$k - 1] = -$s * $x;
+ } elseif ($l != $m) {
+ $this->H[$k][$k - 1] = -$this->H[$k][$k - 1];
+ }
+ $p = $p + $s;
+ $x = $p / $s;
+ $y = $q / $s;
+ $z = $r / $s;
+ $q = $q / $p;
+ $r = $r / $p;
+ // Row modification
+ for ($j = $k; $j < $nn; ++$j) {
+ $p = $this->H[$k][$j] + $q * $this->H[$k + 1][$j];
+ if ($notlast) {
+ $p = $p + $r * $this->H[$k + 2][$j];
+ $this->H[$k + 2][$j] = $this->H[$k + 2][$j] - $p * $z;
+ }
+ $this->H[$k][$j] = $this->H[$k][$j] - $p * $x;
+ $this->H[$k + 1][$j] = $this->H[$k + 1][$j] - $p * $y;
+ }
+ // Column modification
+ $iMax = min($n, $k + 3);
+ for ($i = 0; $i <= $iMax; ++$i) {
+ $p = $x * $this->H[$i][$k] + $y * $this->H[$i][$k + 1];
+ if ($notlast) {
+ $p = $p + $z * $this->H[$i][$k + 2];
+ $this->H[$i][$k + 2] = $this->H[$i][$k + 2] - $p * $r;
+ }
+ $this->H[$i][$k] = $this->H[$i][$k] - $p;
+ $this->H[$i][$k + 1] = $this->H[$i][$k + 1] - $p * $q;
+ }
+ // Accumulate transformations
+ for ($i = $low; $i <= $high; ++$i) {
+ $p = $x * $this->V[$i][$k] + $y * $this->V[$i][$k + 1];
+ if ($notlast) {
+ $p = $p + $z * $this->V[$i][$k + 2];
+ $this->V[$i][$k + 2] = $this->V[$i][$k + 2] - $p * $r;
+ }
+ $this->V[$i][$k] = $this->V[$i][$k] - $p;
+ $this->V[$i][$k + 1] = $this->V[$i][$k + 1] - $p * $q;
+ }
+ } // ($s != 0)
+ } // k loop
+ } // check convergence
+ } // while ($n >= $low)
+
+ // Backsubstitute to find vectors of upper triangular form
+ if ($norm == 0.0) {
+ return;
+ }
+
+ for ($n = $nn - 1; $n >= 0; --$n) {
+ $p = $this->d[$n];
+ $q = $this->e[$n];
+ // Real vector
+ if ($q == 0) {
+ $l = $n;
+ $this->H[$n][$n] = 1.0;
+ for ($i = $n - 1; $i >= 0; --$i) {
+ $w = $this->H[$i][$i] - $p;
+ $r = 0.0;
+ for ($j = $l; $j <= $n; ++$j) {
+ $r = $r + $this->H[$i][$j] * $this->H[$j][$n];
+ }
+ if ($this->e[$i] < 0.0) {
+ $z = $w;
+ $s = $r;
+ } else {
+ $l = $i;
+ if ($this->e[$i] == 0.0) {
+ if ($w != 0.0) {
+ $this->H[$i][$n] = -$r / $w;
+ } else {
+ $this->H[$i][$n] = -$r / ($eps * $norm);
+ }
+ // Solve real equations
+ } else {
+ $x = $this->H[$i][$i + 1];
+ $y = $this->H[$i + 1][$i];
+ $q = ($this->d[$i] - $p) * ($this->d[$i] - $p) + $this->e[$i] * $this->e[$i];
+ $t = ($x * $s - $z * $r) / $q;
+ $this->H[$i][$n] = $t;
+ if (abs($x) > abs($z)) {
+ $this->H[$i + 1][$n] = (-$r - $w * $t) / $x;
+ } else {
+ $this->H[$i + 1][$n] = (-$s - $y * $t) / $z;
+ }
+ }
+ // Overflow control
+ $t = abs($this->H[$i][$n]);
+ if (($eps * $t) * $t > 1) {
+ for ($j = $i; $j <= $n; ++$j) {
+ $this->H[$j][$n] = $this->H[$j][$n] / $t;
+ }
+ }
+ }
+ }
+ // Complex vector
+ } elseif ($q < 0) {
+ $l = $n - 1;
+ // Last vector component imaginary so matrix is triangular
+ if (abs($this->H[$n][$n - 1]) > abs($this->H[$n - 1][$n])) {
+ $this->H[$n - 1][$n - 1] = $q / $this->H[$n][$n - 1];
+ $this->H[$n - 1][$n] = -($this->H[$n][$n] - $p) / $this->H[$n][$n - 1];
+ } else {
+ $this->cdiv(0.0, -$this->H[$n - 1][$n], $this->H[$n - 1][$n - 1] - $p, $q);
+ $this->H[$n - 1][$n - 1] = $this->cdivr;
+ $this->H[$n - 1][$n] = $this->cdivi;
+ }
+ $this->H[$n][$n - 1] = 0.0;
+ $this->H[$n][$n] = 1.0;
+ for ($i = $n - 2; $i >= 0; --$i) {
+ // double ra,sa,vr,vi;
+ $ra = 0.0;
+ $sa = 0.0;
+ for ($j = $l; $j <= $n; ++$j) {
+ $ra = $ra + $this->H[$i][$j] * $this->H[$j][$n - 1];
+ $sa = $sa + $this->H[$i][$j] * $this->H[$j][$n];
+ }
+ $w = $this->H[$i][$i] - $p;
+ if ($this->e[$i] < 0.0) {
+ $z = $w;
+ $r = $ra;
+ $s = $sa;
+ } else {
+ $l = $i;
+ if ($this->e[$i] == 0) {
+ $this->cdiv(-$ra, -$sa, $w, $q);
+ $this->H[$i][$n - 1] = $this->cdivr;
+ $this->H[$i][$n] = $this->cdivi;
+ } else {
+ // Solve complex equations
+ $x = $this->H[$i][$i + 1];
+ $y = $this->H[$i + 1][$i];
+ $vr = ($this->d[$i] - $p) * ($this->d[$i] - $p) + $this->e[$i] * $this->e[$i] - $q * $q;
+ $vi = ($this->d[$i] - $p) * 2.0 * $q;
+ if ($vr == 0.0 & $vi == 0.0) {
+ $vr = $eps * $norm * (abs($w) + abs($q) + abs($x) + abs($y) + abs($z));
+ }
+ $this->cdiv($x * $r - $z * $ra + $q * $sa, $x * $s - $z * $sa - $q * $ra, $vr, $vi);
+ $this->H[$i][$n - 1] = $this->cdivr;
+ $this->H[$i][$n] = $this->cdivi;
+ if (abs($x) > (abs($z) + abs($q))) {
+ $this->H[$i + 1][$n - 1] = (-$ra - $w * $this->H[$i][$n - 1] + $q * $this->H[$i][$n]) / $x;
+ $this->H[$i + 1][$n] = (-$sa - $w * $this->H[$i][$n] - $q * $this->H[$i][$n - 1]) / $x;
+ } else {
+ $this->cdiv(-$r - $y * $this->H[$i][$n - 1], -$s - $y * $this->H[$i][$n], $z, $q);
+ $this->H[$i + 1][$n - 1] = $this->cdivr;
+ $this->H[$i + 1][$n] = $this->cdivi;
+ }
+ }
+ // Overflow control
+ $t = max(abs($this->H[$i][$n - 1]), abs($this->H[$i][$n]));
+ if (($eps * $t) * $t > 1) {
+ for ($j = $i; $j <= $n; ++$j) {
+ $this->H[$j][$n - 1] = $this->H[$j][$n - 1] / $t;
+ $this->H[$j][$n] = $this->H[$j][$n] / $t;
+ }
+ }
+ } // end else
+ } // end for
+ } // end else for complex case
+ } // end for
+
+ // Vectors of isolated roots
+ for ($i = 0; $i < $nn; ++$i) {
+ if ($i < $low | $i > $high) {
+ for ($j = $i; $j < $nn; ++$j) {
+ $this->V[$i][$j] = $this->H[$i][$j];
+ }
+ }
+ }
+
+ // Back transformation to get eigenvectors of original matrix
+ for ($j = $nn - 1; $j >= $low; --$j) {
+ for ($i = $low; $i <= $high; ++$i) {
+ $z = 0.0;
+ $kMax = min($j, $high);
+ for ($k = $low; $k <= $kMax; ++$k) {
+ $z = $z + $this->V[$i][$k] * $this->H[$k][$j];
+ }
+ $this->V[$i][$j] = $z;
+ }
+ }
+ }
+
+ // end hqr2
+
+ /**
+ * Constructor: Check for symmetry, then construct the eigenvalue decomposition.
+ *
+ * @param mixed $Arg A Square matrix
+ */
+ public function __construct($Arg)
+ {
+ $this->A = $Arg->getArray();
+ $this->n = $Arg->getColumnDimension();
+
+ $issymmetric = true;
+ for ($j = 0; ($j < $this->n) & $issymmetric; ++$j) {
+ for ($i = 0; ($i < $this->n) & $issymmetric; ++$i) {
+ $issymmetric = ($this->A[$i][$j] == $this->A[$j][$i]);
+ }
+ }
+
+ if ($issymmetric) {
+ $this->V = $this->A;
+ // Tridiagonalize.
+ $this->tred2();
+ // Diagonalize.
+ $this->tql2();
+ } else {
+ $this->H = $this->A;
+ $this->ort = [];
+ // Reduce to Hessenberg form.
+ $this->orthes();
+ // Reduce Hessenberg to real Schur form.
+ $this->hqr2();
+ }
+ }
+
+ /**
+ * Return the eigenvector matrix.
+ *
+ * @return Matrix V
+ */
+ public function getV()
+ {
+ return new Matrix($this->V, $this->n, $this->n);
+ }
+
+ /**
+ * Return the real parts of the eigenvalues.
+ *
+ * @return array real(diag(D))
+ */
+ public function getRealEigenvalues()
+ {
+ return $this->d;
+ }
+
+ /**
+ * Return the imaginary parts of the eigenvalues.
+ *
+ * @return array imag(diag(D))
+ */
+ public function getImagEigenvalues()
+ {
+ return $this->e;
+ }
+
+ /**
+ * Return the block diagonal eigenvalue matrix.
+ *
+ * @return Matrix D
+ */
+ public function getD()
+ {
+ for ($i = 0; $i < $this->n; ++$i) {
+ $D[$i] = array_fill(0, $this->n, 0.0);
+ $D[$i][$i] = $this->d[$i];
+ if ($this->e[$i] == 0) {
+ continue;
+ }
+ $o = ($this->e[$i] > 0) ? $i + 1 : $i - 1;
+ $D[$i][$o] = $this->e[$i];
+ }
+
+ return new Matrix($D);
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/LUDecomposition.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/LUDecomposition.php
new file mode 100644
index 0000000..3871895
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/LUDecomposition.php
@@ -0,0 +1,282 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\JAMA;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Exception as CalculationException;
+
+/**
+ * For an m-by-n matrix A with m >= n, the LU decomposition is an m-by-n
+ * unit lower triangular matrix L, an n-by-n upper triangular matrix U,
+ * and a permutation vector piv of length m so that A(piv,:) = L*U.
+ * If m < n, then L is m-by-m and U is m-by-n.
+ *
+ * The LU decompostion with pivoting always exists, even if the matrix is
+ * singular, so the constructor will never fail. The primary use of the
+ * LU decomposition is in the solution of square systems of simultaneous
+ * linear equations. This will fail if isNonsingular() returns false.
+ *
+ * @author Paul Meagher
+ * @author Bartosz Matosiuk
+ * @author Michael Bommarito
+ *
+ * @version 1.1
+ */
+class LUDecomposition
+{
+ const MATRIX_SINGULAR_EXCEPTION = 'Can only perform operation on singular matrix.';
+ const MATRIX_SQUARE_EXCEPTION = 'Mismatched Row dimension';
+
+ /**
+ * Decomposition storage.
+ *
+ * @var array
+ */
+ private $LU = [];
+
+ /**
+ * Row dimension.
+ *
+ * @var int
+ */
+ private $m;
+
+ /**
+ * Column dimension.
+ *
+ * @var int
+ */
+ private $n;
+
+ /**
+ * Pivot sign.
+ *
+ * @var int
+ */
+ private $pivsign;
+
+ /**
+ * Internal storage of pivot vector.
+ *
+ * @var array
+ */
+ private $piv = [];
+
+ /**
+ * LU Decomposition constructor.
+ *
+ * @param Matrix $A Rectangular matrix
+ */
+ public function __construct($A)
+ {
+ if ($A instanceof Matrix) {
+ // Use a "left-looking", dot-product, Crout/Doolittle algorithm.
+ $this->LU = $A->getArray();
+ $this->m = $A->getRowDimension();
+ $this->n = $A->getColumnDimension();
+ for ($i = 0; $i < $this->m; ++$i) {
+ $this->piv[$i] = $i;
+ }
+ $this->pivsign = 1;
+ $LUrowi = $LUcolj = [];
+
+ // Outer loop.
+ for ($j = 0; $j < $this->n; ++$j) {
+ // Make a copy of the j-th column to localize references.
+ for ($i = 0; $i < $this->m; ++$i) {
+ $LUcolj[$i] = &$this->LU[$i][$j];
+ }
+ // Apply previous transformations.
+ for ($i = 0; $i < $this->m; ++$i) {
+ $LUrowi = $this->LU[$i];
+ // Most of the time is spent in the following dot product.
+ $kmax = min($i, $j);
+ $s = 0.0;
+ for ($k = 0; $k < $kmax; ++$k) {
+ $s += $LUrowi[$k] * $LUcolj[$k];
+ }
+ $LUrowi[$j] = $LUcolj[$i] -= $s;
+ }
+ // Find pivot and exchange if necessary.
+ $p = $j;
+ for ($i = $j + 1; $i < $this->m; ++$i) {
+ if (abs($LUcolj[$i]) > abs($LUcolj[$p])) {
+ $p = $i;
+ }
+ }
+ if ($p != $j) {
+ for ($k = 0; $k < $this->n; ++$k) {
+ $t = $this->LU[$p][$k];
+ $this->LU[$p][$k] = $this->LU[$j][$k];
+ $this->LU[$j][$k] = $t;
+ }
+ $k = $this->piv[$p];
+ $this->piv[$p] = $this->piv[$j];
+ $this->piv[$j] = $k;
+ $this->pivsign = $this->pivsign * -1;
+ }
+ // Compute multipliers.
+ if (($j < $this->m) && ($this->LU[$j][$j] != 0.0)) {
+ for ($i = $j + 1; $i < $this->m; ++$i) {
+ $this->LU[$i][$j] /= $this->LU[$j][$j];
+ }
+ }
+ }
+ } else {
+ throw new CalculationException(Matrix::ARGUMENT_TYPE_EXCEPTION);
+ }
+ }
+
+ // function __construct()
+
+ /**
+ * Get lower triangular factor.
+ *
+ * @return Matrix Lower triangular factor
+ */
+ public function getL()
+ {
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ if ($i > $j) {
+ $L[$i][$j] = $this->LU[$i][$j];
+ } elseif ($i == $j) {
+ $L[$i][$j] = 1.0;
+ } else {
+ $L[$i][$j] = 0.0;
+ }
+ }
+ }
+
+ return new Matrix($L);
+ }
+
+ // function getL()
+
+ /**
+ * Get upper triangular factor.
+ *
+ * @return Matrix Upper triangular factor
+ */
+ public function getU()
+ {
+ for ($i = 0; $i < $this->n; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ if ($i <= $j) {
+ $U[$i][$j] = $this->LU[$i][$j];
+ } else {
+ $U[$i][$j] = 0.0;
+ }
+ }
+ }
+
+ return new Matrix($U);
+ }
+
+ // function getU()
+
+ /**
+ * Return pivot permutation vector.
+ *
+ * @return array Pivot vector
+ */
+ public function getPivot()
+ {
+ return $this->piv;
+ }
+
+ // function getPivot()
+
+ /**
+ * Alias for getPivot.
+ *
+ * @see getPivot
+ */
+ public function getDoublePivot()
+ {
+ return $this->getPivot();
+ }
+
+ // function getDoublePivot()
+
+ /**
+ * Is the matrix nonsingular?
+ *
+ * @return bool true if U, and hence A, is nonsingular
+ */
+ public function isNonsingular()
+ {
+ for ($j = 0; $j < $this->n; ++$j) {
+ if ($this->LU[$j][$j] == 0) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ // function isNonsingular()
+
+ /**
+ * Count determinants.
+ *
+ * @return array d matrix deterninat
+ */
+ public function det()
+ {
+ if ($this->m == $this->n) {
+ $d = $this->pivsign;
+ for ($j = 0; $j < $this->n; ++$j) {
+ $d *= $this->LU[$j][$j];
+ }
+
+ return $d;
+ }
+
+ throw new CalculationException(Matrix::MATRIX_DIMENSION_EXCEPTION);
+ }
+
+ // function det()
+
+ /**
+ * Solve A*X = B.
+ *
+ * @param mixed $B a Matrix with as many rows as A and any number of columns
+ *
+ * @return Matrix X so that L*U*X = B(piv,:)
+ */
+ public function solve($B)
+ {
+ if ($B->getRowDimension() == $this->m) {
+ if ($this->isNonsingular()) {
+ // Copy right hand side with pivoting
+ $nx = $B->getColumnDimension();
+ $X = $B->getMatrix($this->piv, 0, $nx - 1);
+ // Solve L*Y = B(piv,:)
+ for ($k = 0; $k < $this->n; ++$k) {
+ for ($i = $k + 1; $i < $this->n; ++$i) {
+ for ($j = 0; $j < $nx; ++$j) {
+ $X->A[$i][$j] -= $X->A[$k][$j] * $this->LU[$i][$k];
+ }
+ }
+ }
+ // Solve U*X = Y;
+ for ($k = $this->n - 1; $k >= 0; --$k) {
+ for ($j = 0; $j < $nx; ++$j) {
+ $X->A[$k][$j] /= $this->LU[$k][$k];
+ }
+ for ($i = 0; $i < $k; ++$i) {
+ for ($j = 0; $j < $nx; ++$j) {
+ $X->A[$i][$j] -= $X->A[$k][$j] * $this->LU[$i][$k];
+ }
+ }
+ }
+
+ return $X;
+ }
+
+ throw new CalculationException(self::MATRIX_SINGULAR_EXCEPTION);
+ }
+
+ throw new CalculationException(self::MATRIX_SQUARE_EXCEPTION);
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/Matrix.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/Matrix.php
new file mode 100644
index 0000000..fc815f6
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/Matrix.php
@@ -0,0 +1,1202 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\JAMA;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Exception as CalculationException;
+use PhpOffice\PhpSpreadsheet\Calculation\Functions;
+use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
+
+/**
+ * Matrix class.
+ *
+ * @author Paul Meagher
+ * @author Michael Bommarito
+ * @author Lukasz Karapuda
+ * @author Bartek Matosiuk
+ *
+ * @version 1.8
+ *
+ * @see https://math.nist.gov/javanumerics/jama/
+ */
+class Matrix
+{
+ const POLYMORPHIC_ARGUMENT_EXCEPTION = 'Invalid argument pattern for polymorphic function.';
+ const ARGUMENT_TYPE_EXCEPTION = 'Invalid argument type.';
+ const ARGUMENT_BOUNDS_EXCEPTION = 'Invalid argument range.';
+ const MATRIX_DIMENSION_EXCEPTION = 'Matrix dimensions are not equal.';
+ const ARRAY_LENGTH_EXCEPTION = 'Array length must be a multiple of m.';
+ const MATRIX_SPD_EXCEPTION = 'Can only perform operation on symmetric positive definite matrix.';
+
+ /**
+ * Matrix storage.
+ *
+ * @var array
+ */
+ public $A = [];
+
+ /**
+ * Matrix row dimension.
+ *
+ * @var int
+ */
+ private $m;
+
+ /**
+ * Matrix column dimension.
+ *
+ * @var int
+ */
+ private $n;
+
+ /**
+ * Polymorphic constructor.
+ *
+ * As PHP has no support for polymorphic constructors, we use tricks to make our own sort of polymorphism using func_num_args, func_get_arg, and gettype. In essence, we're just implementing a simple RTTI filter and calling the appropriate constructor.
+ */
+ public function __construct(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ //Rectangular matrix - m x n initialized from 2D array
+ case 'array':
+ $this->m = count($args[0]);
+ $this->n = count($args[0][0]);
+ $this->A = $args[0];
+
+ break;
+ //Square matrix - n x n
+ case 'integer':
+ $this->m = $args[0];
+ $this->n = $args[0];
+ $this->A = array_fill(0, $this->m, array_fill(0, $this->n, 0));
+
+ break;
+ //Rectangular matrix - m x n
+ case 'integer,integer':
+ $this->m = $args[0];
+ $this->n = $args[1];
+ $this->A = array_fill(0, $this->m, array_fill(0, $this->n, 0));
+
+ break;
+ //Rectangular matrix - m x n initialized from packed array
+ case 'array,integer':
+ $this->m = $args[1];
+ if ($this->m != 0) {
+ $this->n = count($args[0]) / $this->m;
+ } else {
+ $this->n = 0;
+ }
+ if (($this->m * $this->n) == count($args[0])) {
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $this->A[$i][$j] = $args[0][$i + $j * $this->m];
+ }
+ }
+ } else {
+ throw new CalculationException(self::ARRAY_LENGTH_EXCEPTION);
+ }
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ } else {
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+ }
+
+ /**
+ * getArray.
+ *
+ * @return array Matrix array
+ */
+ public function getArray()
+ {
+ return $this->A;
+ }
+
+ /**
+ * getRowDimension.
+ *
+ * @return int Row dimension
+ */
+ public function getRowDimension()
+ {
+ return $this->m;
+ }
+
+ /**
+ * getColumnDimension.
+ *
+ * @return int Column dimension
+ */
+ public function getColumnDimension()
+ {
+ return $this->n;
+ }
+
+ /**
+ * get.
+ *
+ * Get the i,j-th element of the matrix.
+ *
+ * @param int $i Row position
+ * @param int $j Column position
+ *
+ * @return mixed Element (int/float/double)
+ */
+ public function get($i = null, $j = null)
+ {
+ return $this->A[$i][$j];
+ }
+
+ /**
+ * getMatrix.
+ *
+ * Get a submatrix
+ *
+ * @return Matrix Submatrix
+ */
+ public function getMatrix(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ //A($i0...; $j0...)
+ case 'integer,integer':
+ [$i0, $j0] = $args;
+ if ($i0 >= 0) {
+ $m = $this->m - $i0;
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ if ($j0 >= 0) {
+ $n = $this->n - $j0;
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ $R = new self($m, $n);
+ for ($i = $i0; $i < $this->m; ++$i) {
+ for ($j = $j0; $j < $this->n; ++$j) {
+ $R->set($i, $j, $this->A[$i][$j]);
+ }
+ }
+
+ return $R;
+
+ break;
+ //A($i0...$iF; $j0...$jF)
+ case 'integer,integer,integer,integer':
+ [$i0, $iF, $j0, $jF] = $args;
+ if (($iF > $i0) && ($this->m >= $iF) && ($i0 >= 0)) {
+ $m = $iF - $i0;
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ if (($jF > $j0) && ($this->n >= $jF) && ($j0 >= 0)) {
+ $n = $jF - $j0;
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ $R = new self($m + 1, $n + 1);
+ for ($i = $i0; $i <= $iF; ++$i) {
+ for ($j = $j0; $j <= $jF; ++$j) {
+ $R->set($i - $i0, $j - $j0, $this->A[$i][$j]);
+ }
+ }
+
+ return $R;
+
+ break;
+ //$R = array of row indices; $C = array of column indices
+ case 'array,array':
+ [$RL, $CL] = $args;
+ if (count($RL) > 0) {
+ $m = count($RL);
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ if (count($CL) > 0) {
+ $n = count($CL);
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ $R = new self($m, $n);
+ for ($i = 0; $i < $m; ++$i) {
+ for ($j = 0; $j < $n; ++$j) {
+ $R->set($i, $j, $this->A[$RL[$i]][$CL[$j]]);
+ }
+ }
+
+ return $R;
+
+ break;
+ //A($i0...$iF); $CL = array of column indices
+ case 'integer,integer,array':
+ [$i0, $iF, $CL] = $args;
+ if (($iF > $i0) && ($this->m >= $iF) && ($i0 >= 0)) {
+ $m = $iF - $i0;
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ if (count($CL) > 0) {
+ $n = count($CL);
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ $R = new self($m, $n);
+ for ($i = $i0; $i < $iF; ++$i) {
+ for ($j = 0; $j < $n; ++$j) {
+ $R->set($i - $i0, $j, $this->A[$i][$CL[$j]]);
+ }
+ }
+
+ return $R;
+
+ break;
+ //$RL = array of row indices
+ case 'array,integer,integer':
+ [$RL, $j0, $jF] = $args;
+ if (count($RL) > 0) {
+ $m = count($RL);
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ if (($jF >= $j0) && ($this->n >= $jF) && ($j0 >= 0)) {
+ $n = $jF - $j0;
+ } else {
+ throw new CalculationException(self::ARGUMENT_BOUNDS_EXCEPTION);
+ }
+ $R = new self($m, $n + 1);
+ for ($i = 0; $i < $m; ++$i) {
+ for ($j = $j0; $j <= $jF; ++$j) {
+ $R->set($i, $j - $j0, $this->A[$RL[$i]][$j]);
+ }
+ }
+
+ return $R;
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ } else {
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+ }
+
+ /**
+ * checkMatrixDimensions.
+ *
+ * Is matrix B the same size?
+ *
+ * @param Matrix $B Matrix B
+ *
+ * @return bool
+ */
+ public function checkMatrixDimensions($B = null)
+ {
+ if ($B instanceof self) {
+ if (($this->m == $B->getRowDimension()) && ($this->n == $B->getColumnDimension())) {
+ return true;
+ }
+
+ throw new CalculationException(self::MATRIX_DIMENSION_EXCEPTION);
+ }
+
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ // function checkMatrixDimensions()
+
+ /**
+ * set.
+ *
+ * Set the i,j-th element of the matrix.
+ *
+ * @param int $i Row position
+ * @param int $j Column position
+ * @param mixed $c Int/float/double value
+ *
+ * @return mixed Element (int/float/double)
+ */
+ public function set($i = null, $j = null, $c = null)
+ {
+ // Optimized set version just has this
+ $this->A[$i][$j] = $c;
+ }
+
+ // function set()
+
+ /**
+ * identity.
+ *
+ * Generate an identity matrix.
+ *
+ * @param int $m Row dimension
+ * @param int $n Column dimension
+ *
+ * @return Matrix Identity matrix
+ */
+ public function identity($m = null, $n = null)
+ {
+ return $this->diagonal($m, $n, 1);
+ }
+
+ /**
+ * diagonal.
+ *
+ * Generate a diagonal matrix
+ *
+ * @param int $m Row dimension
+ * @param int $n Column dimension
+ * @param mixed $c Diagonal value
+ *
+ * @return Matrix Diagonal matrix
+ */
+ public function diagonal($m = null, $n = null, $c = 1)
+ {
+ $R = new self($m, $n);
+ for ($i = 0; $i < $m; ++$i) {
+ $R->set($i, $i, $c);
+ }
+
+ return $R;
+ }
+
+ /**
+ * getMatrixByRow.
+ *
+ * Get a submatrix by row index/range
+ *
+ * @param int $i0 Initial row index
+ * @param int $iF Final row index
+ *
+ * @return Matrix Submatrix
+ */
+ public function getMatrixByRow($i0 = null, $iF = null)
+ {
+ if (is_int($i0)) {
+ if (is_int($iF)) {
+ return $this->getMatrix($i0, 0, $iF + 1, $this->n);
+ }
+
+ return $this->getMatrix($i0, 0, $i0 + 1, $this->n);
+ }
+
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ /**
+ * getMatrixByCol.
+ *
+ * Get a submatrix by column index/range
+ *
+ * @param int $j0 Initial column index
+ * @param int $jF Final column index
+ *
+ * @return Matrix Submatrix
+ */
+ public function getMatrixByCol($j0 = null, $jF = null)
+ {
+ if (is_int($j0)) {
+ if (is_int($jF)) {
+ return $this->getMatrix(0, $j0, $this->m, $jF + 1);
+ }
+
+ return $this->getMatrix(0, $j0, $this->m, $j0 + 1);
+ }
+
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ /**
+ * transpose.
+ *
+ * Tranpose matrix
+ *
+ * @return Matrix Transposed matrix
+ */
+ public function transpose()
+ {
+ $R = new self($this->n, $this->m);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $R->set($j, $i, $this->A[$i][$j]);
+ }
+ }
+
+ return $R;
+ }
+
+ // function transpose()
+
+ /**
+ * trace.
+ *
+ * Sum of diagonal elements
+ *
+ * @return float Sum of diagonal elements
+ */
+ public function trace()
+ {
+ $s = 0;
+ $n = min($this->m, $this->n);
+ for ($i = 0; $i < $n; ++$i) {
+ $s += $this->A[$i][$i];
+ }
+
+ return $s;
+ }
+
+ /**
+ * uminus.
+ *
+ * Unary minus matrix -A
+ *
+ * @return Matrix Unary minus matrix
+ */
+ public function uminus()
+ {
+ }
+
+ /**
+ * plus.
+ *
+ * A + B
+ *
+ * @return Matrix Sum
+ */
+ public function plus(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $M->set($i, $j, $M->get($i, $j) + $this->A[$i][$j]);
+ }
+ }
+
+ return $M;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * plusEquals.
+ *
+ * A = A + B
+ *
+ * @return $this
+ */
+ public function plusEquals(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $validValues = true;
+ $value = $M->get($i, $j);
+ if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
+ $this->A[$i][$j] = trim($this->A[$i][$j], '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($this->A[$i][$j]);
+ }
+ if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
+ $value = trim($value, '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($value);
+ }
+ if ($validValues) {
+ $this->A[$i][$j] += $value;
+ } else {
+ $this->A[$i][$j] = Functions::NAN();
+ }
+ }
+ }
+
+ return $this;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * minus.
+ *
+ * A - B
+ *
+ * @return Matrix Sum
+ */
+ public function minus(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $M->set($i, $j, $M->get($i, $j) - $this->A[$i][$j]);
+ }
+ }
+
+ return $M;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * minusEquals.
+ *
+ * A = A - B
+ *
+ * @return $this
+ */
+ public function minusEquals(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $validValues = true;
+ $value = $M->get($i, $j);
+ if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
+ $this->A[$i][$j] = trim($this->A[$i][$j], '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($this->A[$i][$j]);
+ }
+ if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
+ $value = trim($value, '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($value);
+ }
+ if ($validValues) {
+ $this->A[$i][$j] -= $value;
+ } else {
+ $this->A[$i][$j] = Functions::NAN();
+ }
+ }
+ }
+
+ return $this;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * arrayTimes.
+ *
+ * Element-by-element multiplication
+ * Cij = Aij * Bij
+ *
+ * @return Matrix Matrix Cij
+ */
+ public function arrayTimes(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $M->set($i, $j, $M->get($i, $j) * $this->A[$i][$j]);
+ }
+ }
+
+ return $M;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * arrayTimesEquals.
+ *
+ * Element-by-element multiplication
+ * Aij = Aij * Bij
+ *
+ * @return $this
+ */
+ public function arrayTimesEquals(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $validValues = true;
+ $value = $M->get($i, $j);
+ if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
+ $this->A[$i][$j] = trim($this->A[$i][$j], '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($this->A[$i][$j]);
+ }
+ if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
+ $value = trim($value, '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($value);
+ }
+ if ($validValues) {
+ $this->A[$i][$j] *= $value;
+ } else {
+ $this->A[$i][$j] = Functions::NAN();
+ }
+ }
+ }
+
+ return $this;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * arrayRightDivide.
+ *
+ * Element-by-element right division
+ * A / B
+ *
+ * @return Matrix Division result
+ */
+ public function arrayRightDivide(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $validValues = true;
+ $value = $M->get($i, $j);
+ if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
+ $this->A[$i][$j] = trim($this->A[$i][$j], '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($this->A[$i][$j]);
+ }
+ if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
+ $value = trim($value, '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($value);
+ }
+ if ($validValues) {
+ if ($value == 0) {
+ // Trap for Divide by Zero error
+ $M->set($i, $j, '#DIV/0!');
+ } else {
+ $M->set($i, $j, $this->A[$i][$j] / $value);
+ }
+ } else {
+ $M->set($i, $j, Functions::NAN());
+ }
+ }
+ }
+
+ return $M;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * arrayRightDivideEquals.
+ *
+ * Element-by-element right division
+ * Aij = Aij / Bij
+ *
+ * @return Matrix Matrix Aij
+ */
+ public function arrayRightDivideEquals(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $this->A[$i][$j] = $this->A[$i][$j] / $M->get($i, $j);
+ }
+ }
+
+ return $M;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * arrayLeftDivide.
+ *
+ * Element-by-element Left division
+ * A / B
+ *
+ * @return Matrix Division result
+ */
+ public function arrayLeftDivide(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $M->set($i, $j, $M->get($i, $j) / $this->A[$i][$j]);
+ }
+ }
+
+ return $M;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * arrayLeftDivideEquals.
+ *
+ * Element-by-element Left division
+ * Aij = Aij / Bij
+ *
+ * @return Matrix Matrix Aij
+ */
+ public function arrayLeftDivideEquals(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $this->A[$i][$j] = $M->get($i, $j) / $this->A[$i][$j];
+ }
+ }
+
+ return $M;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * times.
+ *
+ * Matrix multiplication
+ *
+ * @return Matrix Product
+ */
+ public function times(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $B = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+ if ($this->n == $B->m) {
+ $C = new self($this->m, $B->n);
+ for ($j = 0; $j < $B->n; ++$j) {
+ $Bcolj = [];
+ for ($k = 0; $k < $this->n; ++$k) {
+ $Bcolj[$k] = $B->A[$k][$j];
+ }
+ for ($i = 0; $i < $this->m; ++$i) {
+ $Arowi = $this->A[$i];
+ $s = 0;
+ for ($k = 0; $k < $this->n; ++$k) {
+ $s += $Arowi[$k] * $Bcolj[$k];
+ }
+ $C->A[$i][$j] = $s;
+ }
+ }
+
+ return $C;
+ }
+
+ throw new CalculationException(self::MATRIX_DIMENSION_EXCEPTION);
+ case 'array':
+ $B = new self($args[0]);
+ if ($this->n == $B->m) {
+ $C = new self($this->m, $B->n);
+ for ($i = 0; $i < $C->m; ++$i) {
+ for ($j = 0; $j < $C->n; ++$j) {
+ $s = '0';
+ for ($k = 0; $k < $C->n; ++$k) {
+ $s += $this->A[$i][$k] * $B->A[$k][$j];
+ }
+ $C->A[$i][$j] = $s;
+ }
+ }
+
+ return $C;
+ }
+
+ throw new CalculationException(self::MATRIX_DIMENSION_EXCEPTION);
+ case 'integer':
+ $C = new self($this->A);
+ for ($i = 0; $i < $C->m; ++$i) {
+ for ($j = 0; $j < $C->n; ++$j) {
+ $C->A[$i][$j] *= $args[0];
+ }
+ }
+
+ return $C;
+ case 'double':
+ $C = new self($this->m, $this->n);
+ for ($i = 0; $i < $C->m; ++$i) {
+ for ($j = 0; $j < $C->n; ++$j) {
+ $C->A[$i][$j] = $args[0] * $this->A[$i][$j];
+ }
+ }
+
+ return $C;
+ case 'float':
+ $C = new self($this->A);
+ for ($i = 0; $i < $C->m; ++$i) {
+ for ($j = 0; $j < $C->n; ++$j) {
+ $C->A[$i][$j] *= $args[0];
+ }
+ }
+
+ return $C;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+ } else {
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+ }
+
+ /**
+ * power.
+ *
+ * A = A ^ B
+ *
+ * @return $this
+ */
+ public function power(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $validValues = true;
+ $value = $M->get($i, $j);
+ if ((is_string($this->A[$i][$j])) && (strlen($this->A[$i][$j]) > 0) && (!is_numeric($this->A[$i][$j]))) {
+ $this->A[$i][$j] = trim($this->A[$i][$j], '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($this->A[$i][$j]);
+ }
+ if ((is_string($value)) && (strlen($value) > 0) && (!is_numeric($value))) {
+ $value = trim($value, '"');
+ $validValues &= StringHelper::convertToNumberIfFraction($value);
+ }
+ if ($validValues) {
+ $this->A[$i][$j] = $this->A[$i][$j] ** $value;
+ } else {
+ $this->A[$i][$j] = Functions::NAN();
+ }
+ }
+ }
+
+ return $this;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * concat.
+ *
+ * A = A & B
+ *
+ * @return $this
+ */
+ public function concat(...$args)
+ {
+ if (count($args) > 0) {
+ $match = implode(',', array_map('gettype', $args));
+
+ switch ($match) {
+ case 'object':
+ if ($args[0] instanceof self) {
+ $M = $args[0];
+ } else {
+ throw new CalculationException(self::ARGUMENT_TYPE_EXCEPTION);
+ }
+
+ break;
+ case 'array':
+ $M = new self($args[0]);
+
+ break;
+ default:
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+
+ break;
+ }
+ $this->checkMatrixDimensions($M);
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $this->A[$i][$j] = trim($this->A[$i][$j], '"') . trim($M->get($i, $j), '"');
+ }
+ }
+
+ return $this;
+ }
+
+ throw new CalculationException(self::POLYMORPHIC_ARGUMENT_EXCEPTION);
+ }
+
+ /**
+ * Solve A*X = B.
+ *
+ * @param Matrix $B Right hand side
+ *
+ * @return Matrix ... Solution if A is square, least squares solution otherwise
+ */
+ public function solve($B)
+ {
+ if ($this->m == $this->n) {
+ $LU = new LUDecomposition($this);
+
+ return $LU->solve($B);
+ }
+ $QR = new QRDecomposition($this);
+
+ return $QR->solve($B);
+ }
+
+ /**
+ * Matrix inverse or pseudoinverse.
+ *
+ * @return Matrix ... Inverse(A) if A is square, pseudoinverse otherwise.
+ */
+ public function inverse()
+ {
+ return $this->solve($this->identity($this->m, $this->m));
+ }
+
+ /**
+ * det.
+ *
+ * Calculate determinant
+ *
+ * @return float Determinant
+ */
+ public function det()
+ {
+ $L = new LUDecomposition($this);
+
+ return $L->det();
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/QRDecomposition.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/QRDecomposition.php
new file mode 100644
index 0000000..373c074
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/QRDecomposition.php
@@ -0,0 +1,249 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\JAMA;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Exception as CalculationException;
+
+/**
+ * For an m-by-n matrix A with m >= n, the QR decomposition is an m-by-n
+ * orthogonal matrix Q and an n-by-n upper triangular matrix R so that
+ * A = Q*R.
+ *
+ * The QR decompostion always exists, even if the matrix does not have
+ * full rank, so the constructor will never fail. The primary use of the
+ * QR decomposition is in the least squares solution of nonsquare systems
+ * of simultaneous linear equations. This will fail if isFullRank()
+ * returns false.
+ *
+ * @author Paul Meagher
+ *
+ * @version 1.1
+ */
+class QRDecomposition
+{
+ const MATRIX_RANK_EXCEPTION = 'Can only perform operation on full-rank matrix.';
+
+ /**
+ * Array for internal storage of decomposition.
+ *
+ * @var array
+ */
+ private $QR = [];
+
+ /**
+ * Row dimension.
+ *
+ * @var int
+ */
+ private $m;
+
+ /**
+ * Column dimension.
+ *
+ * @var int
+ */
+ private $n;
+
+ /**
+ * Array for internal storage of diagonal of R.
+ *
+ * @var array
+ */
+ private $Rdiag = [];
+
+ /**
+ * QR Decomposition computed by Householder reflections.
+ *
+ * @param matrix $A Rectangular matrix
+ */
+ public function __construct($A)
+ {
+ if ($A instanceof Matrix) {
+ // Initialize.
+ $this->QR = $A->getArray();
+ $this->m = $A->getRowDimension();
+ $this->n = $A->getColumnDimension();
+ // Main loop.
+ for ($k = 0; $k < $this->n; ++$k) {
+ // Compute 2-norm of k-th column without under/overflow.
+ $nrm = 0.0;
+ for ($i = $k; $i < $this->m; ++$i) {
+ $nrm = hypo($nrm, $this->QR[$i][$k]);
+ }
+ if ($nrm != 0.0) {
+ // Form k-th Householder vector.
+ if ($this->QR[$k][$k] < 0) {
+ $nrm = -$nrm;
+ }
+ for ($i = $k; $i < $this->m; ++$i) {
+ $this->QR[$i][$k] /= $nrm;
+ }
+ $this->QR[$k][$k] += 1.0;
+ // Apply transformation to remaining columns.
+ for ($j = $k + 1; $j < $this->n; ++$j) {
+ $s = 0.0;
+ for ($i = $k; $i < $this->m; ++$i) {
+ $s += $this->QR[$i][$k] * $this->QR[$i][$j];
+ }
+ $s = -$s / $this->QR[$k][$k];
+ for ($i = $k; $i < $this->m; ++$i) {
+ $this->QR[$i][$j] += $s * $this->QR[$i][$k];
+ }
+ }
+ }
+ $this->Rdiag[$k] = -$nrm;
+ }
+ } else {
+ throw new CalculationException(Matrix::ARGUMENT_TYPE_EXCEPTION);
+ }
+ }
+
+ // function __construct()
+
+ /**
+ * Is the matrix full rank?
+ *
+ * @return bool true if R, and hence A, has full rank, else false
+ */
+ public function isFullRank()
+ {
+ for ($j = 0; $j < $this->n; ++$j) {
+ if ($this->Rdiag[$j] == 0) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ // function isFullRank()
+
+ /**
+ * Return the Householder vectors.
+ *
+ * @return Matrix Lower trapezoidal matrix whose columns define the reflections
+ */
+ public function getH()
+ {
+ $H = [];
+ for ($i = 0; $i < $this->m; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ if ($i >= $j) {
+ $H[$i][$j] = $this->QR[$i][$j];
+ } else {
+ $H[$i][$j] = 0.0;
+ }
+ }
+ }
+
+ return new Matrix($H);
+ }
+
+ // function getH()
+
+ /**
+ * Return the upper triangular factor.
+ *
+ * @return Matrix upper triangular factor
+ */
+ public function getR()
+ {
+ $R = [];
+ for ($i = 0; $i < $this->n; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ if ($i < $j) {
+ $R[$i][$j] = $this->QR[$i][$j];
+ } elseif ($i == $j) {
+ $R[$i][$j] = $this->Rdiag[$i];
+ } else {
+ $R[$i][$j] = 0.0;
+ }
+ }
+ }
+
+ return new Matrix($R);
+ }
+
+ // function getR()
+
+ /**
+ * Generate and return the (economy-sized) orthogonal factor.
+ *
+ * @return Matrix orthogonal factor
+ */
+ public function getQ()
+ {
+ $Q = [];
+ for ($k = $this->n - 1; $k >= 0; --$k) {
+ for ($i = 0; $i < $this->m; ++$i) {
+ $Q[$i][$k] = 0.0;
+ }
+ $Q[$k][$k] = 1.0;
+ for ($j = $k; $j < $this->n; ++$j) {
+ if ($this->QR[$k][$k] != 0) {
+ $s = 0.0;
+ for ($i = $k; $i < $this->m; ++$i) {
+ $s += $this->QR[$i][$k] * $Q[$i][$j];
+ }
+ $s = -$s / $this->QR[$k][$k];
+ for ($i = $k; $i < $this->m; ++$i) {
+ $Q[$i][$j] += $s * $this->QR[$i][$k];
+ }
+ }
+ }
+ }
+
+ return new Matrix($Q);
+ }
+
+ // function getQ()
+
+ /**
+ * Least squares solution of A*X = B.
+ *
+ * @param Matrix $B a Matrix with as many rows as A and any number of columns
+ *
+ * @return Matrix matrix that minimizes the two norm of Q*R*X-B
+ */
+ public function solve($B)
+ {
+ if ($B->getRowDimension() == $this->m) {
+ if ($this->isFullRank()) {
+ // Copy right hand side
+ $nx = $B->getColumnDimension();
+ $X = $B->getArrayCopy();
+ // Compute Y = transpose(Q)*B
+ for ($k = 0; $k < $this->n; ++$k) {
+ for ($j = 0; $j < $nx; ++$j) {
+ $s = 0.0;
+ for ($i = $k; $i < $this->m; ++$i) {
+ $s += $this->QR[$i][$k] * $X[$i][$j];
+ }
+ $s = -$s / $this->QR[$k][$k];
+ for ($i = $k; $i < $this->m; ++$i) {
+ $X[$i][$j] += $s * $this->QR[$i][$k];
+ }
+ }
+ }
+ // Solve R*X = Y;
+ for ($k = $this->n - 1; $k >= 0; --$k) {
+ for ($j = 0; $j < $nx; ++$j) {
+ $X[$k][$j] /= $this->Rdiag[$k];
+ }
+ for ($i = 0; $i < $k; ++$i) {
+ for ($j = 0; $j < $nx; ++$j) {
+ $X[$i][$j] -= $X[$k][$j] * $this->QR[$i][$k];
+ }
+ }
+ }
+ $X = new Matrix($X);
+
+ return $X->getMatrix(0, $this->n - 1, 0, $nx);
+ }
+
+ throw new CalculationException(self::MATRIX_RANK_EXCEPTION);
+ }
+
+ throw new CalculationException(Matrix::MATRIX_DIMENSION_EXCEPTION);
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/SingularValueDecomposition.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/SingularValueDecomposition.php
new file mode 100644
index 0000000..a86bf08
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/SingularValueDecomposition.php
@@ -0,0 +1,528 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\JAMA;
+
+/**
+ * For an m-by-n matrix A with m >= n, the singular value decomposition is
+ * an m-by-n orthogonal matrix U, an n-by-n diagonal matrix S, and
+ * an n-by-n orthogonal matrix V so that A = U*S*V'.
+ *
+ * The singular values, sigma[$k] = S[$k][$k], are ordered so that
+ * sigma[0] >= sigma[1] >= ... >= sigma[n-1].
+ *
+ * The singular value decompostion always exists, so the constructor will
+ * never fail. The matrix condition number and the effective numerical
+ * rank can be computed from this decomposition.
+ *
+ * @author Paul Meagher
+ *
+ * @version 1.1
+ */
+class SingularValueDecomposition
+{
+ /**
+ * Internal storage of U.
+ *
+ * @var array
+ */
+ private $U = [];
+
+ /**
+ * Internal storage of V.
+ *
+ * @var array
+ */
+ private $V = [];
+
+ /**
+ * Internal storage of singular values.
+ *
+ * @var array
+ */
+ private $s = [];
+
+ /**
+ * Row dimension.
+ *
+ * @var int
+ */
+ private $m;
+
+ /**
+ * Column dimension.
+ *
+ * @var int
+ */
+ private $n;
+
+ /**
+ * Construct the singular value decomposition.
+ *
+ * Derived from LINPACK code.
+ *
+ * @param mixed $Arg Rectangular matrix
+ */
+ public function __construct($Arg)
+ {
+ // Initialize.
+ $A = $Arg->getArrayCopy();
+ $this->m = $Arg->getRowDimension();
+ $this->n = $Arg->getColumnDimension();
+ $nu = min($this->m, $this->n);
+ $e = [];
+ $work = [];
+ $wantu = true;
+ $wantv = true;
+ $nct = min($this->m - 1, $this->n);
+ $nrt = max(0, min($this->n - 2, $this->m));
+
+ // Reduce A to bidiagonal form, storing the diagonal elements
+ // in s and the super-diagonal elements in e.
+ $kMax = max($nct, $nrt);
+ for ($k = 0; $k < $kMax; ++$k) {
+ if ($k < $nct) {
+ // Compute the transformation for the k-th column and
+ // place the k-th diagonal in s[$k].
+ // Compute 2-norm of k-th column without under/overflow.
+ $this->s[$k] = 0;
+ for ($i = $k; $i < $this->m; ++$i) {
+ $this->s[$k] = hypo($this->s[$k], $A[$i][$k]);
+ }
+ if ($this->s[$k] != 0.0) {
+ if ($A[$k][$k] < 0.0) {
+ $this->s[$k] = -$this->s[$k];
+ }
+ for ($i = $k; $i < $this->m; ++$i) {
+ $A[$i][$k] /= $this->s[$k];
+ }
+ $A[$k][$k] += 1.0;
+ }
+ $this->s[$k] = -$this->s[$k];
+ }
+
+ for ($j = $k + 1; $j < $this->n; ++$j) {
+ if (($k < $nct) & ($this->s[$k] != 0.0)) {
+ // Apply the transformation.
+ $t = 0;
+ for ($i = $k; $i < $this->m; ++$i) {
+ $t += $A[$i][$k] * $A[$i][$j];
+ }
+ $t = -$t / $A[$k][$k];
+ for ($i = $k; $i < $this->m; ++$i) {
+ $A[$i][$j] += $t * $A[$i][$k];
+ }
+ // Place the k-th row of A into e for the
+ // subsequent calculation of the row transformation.
+ $e[$j] = $A[$k][$j];
+ }
+ }
+
+ if ($wantu && ($k < $nct)) {
+ // Place the transformation in U for subsequent back
+ // multiplication.
+ for ($i = $k; $i < $this->m; ++$i) {
+ $this->U[$i][$k] = $A[$i][$k];
+ }
+ }
+
+ if ($k < $nrt) {
+ // Compute the k-th row transformation and place the
+ // k-th super-diagonal in e[$k].
+ // Compute 2-norm without under/overflow.
+ $e[$k] = 0;
+ for ($i = $k + 1; $i < $this->n; ++$i) {
+ $e[$k] = hypo($e[$k], $e[$i]);
+ }
+ if ($e[$k] != 0.0) {
+ if ($e[$k + 1] < 0.0) {
+ $e[$k] = -$e[$k];
+ }
+ for ($i = $k + 1; $i < $this->n; ++$i) {
+ $e[$i] /= $e[$k];
+ }
+ $e[$k + 1] += 1.0;
+ }
+ $e[$k] = -$e[$k];
+ if (($k + 1 < $this->m) && ($e[$k] != 0.0)) {
+ // Apply the transformation.
+ for ($i = $k + 1; $i < $this->m; ++$i) {
+ $work[$i] = 0.0;
+ }
+ for ($j = $k + 1; $j < $this->n; ++$j) {
+ for ($i = $k + 1; $i < $this->m; ++$i) {
+ $work[$i] += $e[$j] * $A[$i][$j];
+ }
+ }
+ for ($j = $k + 1; $j < $this->n; ++$j) {
+ $t = -$e[$j] / $e[$k + 1];
+ for ($i = $k + 1; $i < $this->m; ++$i) {
+ $A[$i][$j] += $t * $work[$i];
+ }
+ }
+ }
+ if ($wantv) {
+ // Place the transformation in V for subsequent
+ // back multiplication.
+ for ($i = $k + 1; $i < $this->n; ++$i) {
+ $this->V[$i][$k] = $e[$i];
+ }
+ }
+ }
+ }
+
+ // Set up the final bidiagonal matrix or order p.
+ $p = min($this->n, $this->m + 1);
+ if ($nct < $this->n) {
+ $this->s[$nct] = $A[$nct][$nct];
+ }
+ if ($this->m < $p) {
+ $this->s[$p - 1] = 0.0;
+ }
+ if ($nrt + 1 < $p) {
+ $e[$nrt] = $A[$nrt][$p - 1];
+ }
+ $e[$p - 1] = 0.0;
+ // If required, generate U.
+ if ($wantu) {
+ for ($j = $nct; $j < $nu; ++$j) {
+ for ($i = 0; $i < $this->m; ++$i) {
+ $this->U[$i][$j] = 0.0;
+ }
+ $this->U[$j][$j] = 1.0;
+ }
+ for ($k = $nct - 1; $k >= 0; --$k) {
+ if ($this->s[$k] != 0.0) {
+ for ($j = $k + 1; $j < $nu; ++$j) {
+ $t = 0;
+ for ($i = $k; $i < $this->m; ++$i) {
+ $t += $this->U[$i][$k] * $this->U[$i][$j];
+ }
+ $t = -$t / $this->U[$k][$k];
+ for ($i = $k; $i < $this->m; ++$i) {
+ $this->U[$i][$j] += $t * $this->U[$i][$k];
+ }
+ }
+ for ($i = $k; $i < $this->m; ++$i) {
+ $this->U[$i][$k] = -$this->U[$i][$k];
+ }
+ $this->U[$k][$k] = 1.0 + $this->U[$k][$k];
+ for ($i = 0; $i < $k - 1; ++$i) {
+ $this->U[$i][$k] = 0.0;
+ }
+ } else {
+ for ($i = 0; $i < $this->m; ++$i) {
+ $this->U[$i][$k] = 0.0;
+ }
+ $this->U[$k][$k] = 1.0;
+ }
+ }
+ }
+
+ // If required, generate V.
+ if ($wantv) {
+ for ($k = $this->n - 1; $k >= 0; --$k) {
+ if (($k < $nrt) && ($e[$k] != 0.0)) {
+ for ($j = $k + 1; $j < $nu; ++$j) {
+ $t = 0;
+ for ($i = $k + 1; $i < $this->n; ++$i) {
+ $t += $this->V[$i][$k] * $this->V[$i][$j];
+ }
+ $t = -$t / $this->V[$k + 1][$k];
+ for ($i = $k + 1; $i < $this->n; ++$i) {
+ $this->V[$i][$j] += $t * $this->V[$i][$k];
+ }
+ }
+ }
+ for ($i = 0; $i < $this->n; ++$i) {
+ $this->V[$i][$k] = 0.0;
+ }
+ $this->V[$k][$k] = 1.0;
+ }
+ }
+
+ // Main iteration loop for the singular values.
+ $pp = $p - 1;
+ $iter = 0;
+ $eps = 2.0 ** (-52.0);
+
+ while ($p > 0) {
+ // Here is where a test for too many iterations would go.
+ // This section of the program inspects for negligible
+ // elements in the s and e arrays. On completion the
+ // variables kase and k are set as follows:
+ // kase = 1 if s(p) and e[k-1] are negligible and k<p
+ // kase = 2 if s(k) is negligible and k<p
+ // kase = 3 if e[k-1] is negligible, k<p, and
+ // s(k), ..., s(p) are not negligible (qr step).
+ // kase = 4 if e(p-1) is negligible (convergence).
+ for ($k = $p - 2; $k >= -1; --$k) {
+ if ($k == -1) {
+ break;
+ }
+ if (abs($e[$k]) <= $eps * (abs($this->s[$k]) + abs($this->s[$k + 1]))) {
+ $e[$k] = 0.0;
+
+ break;
+ }
+ }
+ if ($k == $p - 2) {
+ $kase = 4;
+ } else {
+ for ($ks = $p - 1; $ks >= $k; --$ks) {
+ if ($ks == $k) {
+ break;
+ }
+ $t = ($ks != $p ? abs($e[$ks]) : 0.) + ($ks != $k + 1 ? abs($e[$ks - 1]) : 0.);
+ if (abs($this->s[$ks]) <= $eps * $t) {
+ $this->s[$ks] = 0.0;
+
+ break;
+ }
+ }
+ if ($ks == $k) {
+ $kase = 3;
+ } elseif ($ks == $p - 1) {
+ $kase = 1;
+ } else {
+ $kase = 2;
+ $k = $ks;
+ }
+ }
+ ++$k;
+
+ // Perform the task indicated by kase.
+ switch ($kase) {
+ // Deflate negligible s(p).
+ case 1:
+ $f = $e[$p - 2];
+ $e[$p - 2] = 0.0;
+ for ($j = $p - 2; $j >= $k; --$j) {
+ $t = hypo($this->s[$j], $f);
+ $cs = $this->s[$j] / $t;
+ $sn = $f / $t;
+ $this->s[$j] = $t;
+ if ($j != $k) {
+ $f = -$sn * $e[$j - 1];
+ $e[$j - 1] = $cs * $e[$j - 1];
+ }
+ if ($wantv) {
+ for ($i = 0; $i < $this->n; ++$i) {
+ $t = $cs * $this->V[$i][$j] + $sn * $this->V[$i][$p - 1];
+ $this->V[$i][$p - 1] = -$sn * $this->V[$i][$j] + $cs * $this->V[$i][$p - 1];
+ $this->V[$i][$j] = $t;
+ }
+ }
+ }
+
+ break;
+ // Split at negligible s(k).
+ case 2:
+ $f = $e[$k - 1];
+ $e[$k - 1] = 0.0;
+ for ($j = $k; $j < $p; ++$j) {
+ $t = hypo($this->s[$j], $f);
+ $cs = $this->s[$j] / $t;
+ $sn = $f / $t;
+ $this->s[$j] = $t;
+ $f = -$sn * $e[$j];
+ $e[$j] = $cs * $e[$j];
+ if ($wantu) {
+ for ($i = 0; $i < $this->m; ++$i) {
+ $t = $cs * $this->U[$i][$j] + $sn * $this->U[$i][$k - 1];
+ $this->U[$i][$k - 1] = -$sn * $this->U[$i][$j] + $cs * $this->U[$i][$k - 1];
+ $this->U[$i][$j] = $t;
+ }
+ }
+ }
+
+ break;
+ // Perform one qr step.
+ case 3:
+ // Calculate the shift.
+ $scale = max(max(max(max(abs($this->s[$p - 1]), abs($this->s[$p - 2])), abs($e[$p - 2])), abs($this->s[$k])), abs($e[$k]));
+ $sp = $this->s[$p - 1] / $scale;
+ $spm1 = $this->s[$p - 2] / $scale;
+ $epm1 = $e[$p - 2] / $scale;
+ $sk = $this->s[$k] / $scale;
+ $ek = $e[$k] / $scale;
+ $b = (($spm1 + $sp) * ($spm1 - $sp) + $epm1 * $epm1) / 2.0;
+ $c = ($sp * $epm1) * ($sp * $epm1);
+ $shift = 0.0;
+ if (($b != 0.0) || ($c != 0.0)) {
+ $shift = sqrt($b * $b + $c);
+ if ($b < 0.0) {
+ $shift = -$shift;
+ }
+ $shift = $c / ($b + $shift);
+ }
+ $f = ($sk + $sp) * ($sk - $sp) + $shift;
+ $g = $sk * $ek;
+ // Chase zeros.
+ for ($j = $k; $j < $p - 1; ++$j) {
+ $t = hypo($f, $g);
+ $cs = $f / $t;
+ $sn = $g / $t;
+ if ($j != $k) {
+ $e[$j - 1] = $t;
+ }
+ $f = $cs * $this->s[$j] + $sn * $e[$j];
+ $e[$j] = $cs * $e[$j] - $sn * $this->s[$j];
+ $g = $sn * $this->s[$j + 1];
+ $this->s[$j + 1] = $cs * $this->s[$j + 1];
+ if ($wantv) {
+ for ($i = 0; $i < $this->n; ++$i) {
+ $t = $cs * $this->V[$i][$j] + $sn * $this->V[$i][$j + 1];
+ $this->V[$i][$j + 1] = -$sn * $this->V[$i][$j] + $cs * $this->V[$i][$j + 1];
+ $this->V[$i][$j] = $t;
+ }
+ }
+ $t = hypo($f, $g);
+ $cs = $f / $t;
+ $sn = $g / $t;
+ $this->s[$j] = $t;
+ $f = $cs * $e[$j] + $sn * $this->s[$j + 1];
+ $this->s[$j + 1] = -$sn * $e[$j] + $cs * $this->s[$j + 1];
+ $g = $sn * $e[$j + 1];
+ $e[$j + 1] = $cs * $e[$j + 1];
+ if ($wantu && ($j < $this->m - 1)) {
+ for ($i = 0; $i < $this->m; ++$i) {
+ $t = $cs * $this->U[$i][$j] + $sn * $this->U[$i][$j + 1];
+ $this->U[$i][$j + 1] = -$sn * $this->U[$i][$j] + $cs * $this->U[$i][$j + 1];
+ $this->U[$i][$j] = $t;
+ }
+ }
+ }
+ $e[$p - 2] = $f;
+ $iter = $iter + 1;
+
+ break;
+ // Convergence.
+ case 4:
+ // Make the singular values positive.
+ if ($this->s[$k] <= 0.0) {
+ $this->s[$k] = ($this->s[$k] < 0.0 ? -$this->s[$k] : 0.0);
+ if ($wantv) {
+ for ($i = 0; $i <= $pp; ++$i) {
+ $this->V[$i][$k] = -$this->V[$i][$k];
+ }
+ }
+ }
+ // Order the singular values.
+ while ($k < $pp) {
+ if ($this->s[$k] >= $this->s[$k + 1]) {
+ break;
+ }
+ $t = $this->s[$k];
+ $this->s[$k] = $this->s[$k + 1];
+ $this->s[$k + 1] = $t;
+ if ($wantv && ($k < $this->n - 1)) {
+ for ($i = 0; $i < $this->n; ++$i) {
+ $t = $this->V[$i][$k + 1];
+ $this->V[$i][$k + 1] = $this->V[$i][$k];
+ $this->V[$i][$k] = $t;
+ }
+ }
+ if ($wantu && ($k < $this->m - 1)) {
+ for ($i = 0; $i < $this->m; ++$i) {
+ $t = $this->U[$i][$k + 1];
+ $this->U[$i][$k + 1] = $this->U[$i][$k];
+ $this->U[$i][$k] = $t;
+ }
+ }
+ ++$k;
+ }
+ $iter = 0;
+ --$p;
+
+ break;
+ } // end switch
+ } // end while
+ }
+
+ /**
+ * Return the left singular vectors.
+ *
+ * @return Matrix U
+ */
+ public function getU()
+ {
+ return new Matrix($this->U, $this->m, min($this->m + 1, $this->n));
+ }
+
+ /**
+ * Return the right singular vectors.
+ *
+ * @return Matrix V
+ */
+ public function getV()
+ {
+ return new Matrix($this->V);
+ }
+
+ /**
+ * Return the one-dimensional array of singular values.
+ *
+ * @return array diagonal of S
+ */
+ public function getSingularValues()
+ {
+ return $this->s;
+ }
+
+ /**
+ * Return the diagonal matrix of singular values.
+ *
+ * @return Matrix S
+ */
+ public function getS()
+ {
+ for ($i = 0; $i < $this->n; ++$i) {
+ for ($j = 0; $j < $this->n; ++$j) {
+ $S[$i][$j] = 0.0;
+ }
+ $S[$i][$i] = $this->s[$i];
+ }
+
+ return new Matrix($S);
+ }
+
+ /**
+ * Two norm.
+ *
+ * @return float max(S)
+ */
+ public function norm2()
+ {
+ return $this->s[0];
+ }
+
+ /**
+ * Two norm condition number.
+ *
+ * @return float max(S)/min(S)
+ */
+ public function cond()
+ {
+ return $this->s[0] / $this->s[min($this->m, $this->n) - 1];
+ }
+
+ /**
+ * Effective numerical matrix rank.
+ *
+ * @return int Number of nonnegligible singular values
+ */
+ public function rank()
+ {
+ $eps = 2.0 ** (-52.0);
+ $tol = max($this->m, $this->n) * $this->s[0] * $eps;
+ $r = 0;
+ $iMax = count($this->s);
+ for ($i = 0; $i < $iMax; ++$i) {
+ if ($this->s[$i] > $tol) {
+ ++$r;
+ }
+ }
+
+ return $r;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/utils/Maths.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/utils/Maths.php
new file mode 100644
index 0000000..8e7c92b
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/JAMA/utils/Maths.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * Pythagorean Theorem:.
+ *
+ * a = 3
+ * b = 4
+ * r = sqrt(square(a) + square(b))
+ * r = 5
+ *
+ * r = sqrt(a^2 + b^2) without under/overflow.
+ *
+ * @param mixed $a
+ * @param mixed $b
+ *
+ * @return float
+ */
+function hypo($a, $b)
+{
+ if (abs($a) > abs($b)) {
+ $r = $b / $a;
+ $r = abs($a) * sqrt(1 + $r * $r);
+ } elseif ($b != 0) {
+ $r = $a / $b;
+ $r = abs($b) * sqrt(1 + $r * $r);
+ } else {
+ $r = 0.0;
+ }
+
+ return $r;
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE.php
new file mode 100644
index 0000000..1e1fedd
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE.php
@@ -0,0 +1,566 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+// vim: set expandtab tabstop=4 shiftwidth=4:
+// +----------------------------------------------------------------------+
+// | PHP Version 4 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2002 The PHP Group |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.02 of the PHP license, |
+// | that is bundled with this package in the file LICENSE, and is |
+// | available at through the world-wide-web at |
+// | http://www.php.net/license/2_02.txt. |
+// | If you did not receive a copy of the PHP license and are unable to |
+// | obtain it through the world-wide-web, please send a note to |
+// | license@php.net so we can mail you a copy immediately. |
+// +----------------------------------------------------------------------+
+// | Author: Xavier Noguer <xnoguer@php.net> |
+// | Based on OLE::Storage_Lite by Kawai, Takanori |
+// +----------------------------------------------------------------------+
+//
+
+use PhpOffice\PhpSpreadsheet\Reader\Exception as ReaderException;
+use PhpOffice\PhpSpreadsheet\Shared\OLE\ChainedBlockStream;
+use PhpOffice\PhpSpreadsheet\Shared\OLE\PPS\Root;
+
+/*
+ * Array for storing OLE instances that are accessed from
+ * OLE_ChainedBlockStream::stream_open().
+ *
+ * @var array
+ */
+$GLOBALS['_OLE_INSTANCES'] = [];
+
+/**
+ * OLE package base class.
+ *
+ * @author Xavier Noguer <xnoguer@php.net>
+ * @author Christian Schmidt <schmidt@php.net>
+ */
+class OLE
+{
+ const OLE_PPS_TYPE_ROOT = 5;
+ const OLE_PPS_TYPE_DIR = 1;
+ const OLE_PPS_TYPE_FILE = 2;
+ const OLE_DATA_SIZE_SMALL = 0x1000;
+ const OLE_LONG_INT_SIZE = 4;
+ const OLE_PPS_SIZE = 0x80;
+
+ /**
+ * The file handle for reading an OLE container.
+ *
+ * @var resource
+ */
+ public $_file_handle;
+
+ /**
+ * Array of PPS's found on the OLE container.
+ *
+ * @var array
+ */
+ public $_list = [];
+
+ /**
+ * Root directory of OLE container.
+ *
+ * @var Root
+ */
+ public $root;
+
+ /**
+ * Big Block Allocation Table.
+ *
+ * @var array (blockId => nextBlockId)
+ */
+ public $bbat;
+
+ /**
+ * Short Block Allocation Table.
+ *
+ * @var array (blockId => nextBlockId)
+ */
+ public $sbat;
+
+ /**
+ * Size of big blocks. This is usually 512.
+ *
+ * @var int number of octets per block
+ */
+ public $bigBlockSize;
+
+ /**
+ * Size of small blocks. This is usually 64.
+ *
+ * @var int number of octets per block
+ */
+ public $smallBlockSize;
+
+ /**
+ * Threshold for big blocks.
+ *
+ * @var int
+ */
+ public $bigBlockThreshold;
+
+ /**
+ * Reads an OLE container from the contents of the file given.
+ *
+ * @acces public
+ *
+ * @param string $file
+ *
+ * @return bool true on success, PEAR_Error on failure
+ */
+ public function read($file)
+ {
+ $fh = fopen($file, 'rb');
+ if (!$fh) {
+ throw new ReaderException("Can't open file $file");
+ }
+ $this->_file_handle = $fh;
+
+ $signature = fread($fh, 8);
+ if ("\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1" != $signature) {
+ throw new ReaderException("File doesn't seem to be an OLE container.");
+ }
+ fseek($fh, 28);
+ if (fread($fh, 2) != "\xFE\xFF") {
+ // This shouldn't be a problem in practice
+ throw new ReaderException('Only Little-Endian encoding is supported.');
+ }
+ // Size of blocks and short blocks in bytes
+ $this->bigBlockSize = 2 ** self::readInt2($fh);
+ $this->smallBlockSize = 2 ** self::readInt2($fh);
+
+ // Skip UID, revision number and version number
+ fseek($fh, 44);
+ // Number of blocks in Big Block Allocation Table
+ $bbatBlockCount = self::readInt4($fh);
+
+ // Root chain 1st block
+ $directoryFirstBlockId = self::readInt4($fh);
+
+ // Skip unused bytes
+ fseek($fh, 56);
+ // Streams shorter than this are stored using small blocks
+ $this->bigBlockThreshold = self::readInt4($fh);
+ // Block id of first sector in Short Block Allocation Table
+ $sbatFirstBlockId = self::readInt4($fh);
+ // Number of blocks in Short Block Allocation Table
+ $sbbatBlockCount = self::readInt4($fh);
+ // Block id of first sector in Master Block Allocation Table
+ $mbatFirstBlockId = self::readInt4($fh);
+ // Number of blocks in Master Block Allocation Table
+ $mbbatBlockCount = self::readInt4($fh);
+ $this->bbat = [];
+
+ // Remaining 4 * 109 bytes of current block is beginning of Master
+ // Block Allocation Table
+ $mbatBlocks = [];
+ for ($i = 0; $i < 109; ++$i) {
+ $mbatBlocks[] = self::readInt4($fh);
+ }
+
+ // Read rest of Master Block Allocation Table (if any is left)
+ $pos = $this->getBlockOffset($mbatFirstBlockId);
+ for ($i = 0; $i < $mbbatBlockCount; ++$i) {
+ fseek($fh, $pos);
+ for ($j = 0; $j < $this->bigBlockSize / 4 - 1; ++$j) {
+ $mbatBlocks[] = self::readInt4($fh);
+ }
+ // Last block id in each block points to next block
+ $pos = $this->getBlockOffset(self::readInt4($fh));
+ }
+
+ // Read Big Block Allocation Table according to chain specified by $mbatBlocks
+ for ($i = 0; $i < $bbatBlockCount; ++$i) {
+ $pos = $this->getBlockOffset($mbatBlocks[$i]);
+ fseek($fh, $pos);
+ for ($j = 0; $j < $this->bigBlockSize / 4; ++$j) {
+ $this->bbat[] = self::readInt4($fh);
+ }
+ }
+
+ // Read short block allocation table (SBAT)
+ $this->sbat = [];
+ $shortBlockCount = $sbbatBlockCount * $this->bigBlockSize / 4;
+ $sbatFh = $this->getStream($sbatFirstBlockId);
+ for ($blockId = 0; $blockId < $shortBlockCount; ++$blockId) {
+ $this->sbat[$blockId] = self::readInt4($sbatFh);
+ }
+ fclose($sbatFh);
+
+ $this->readPpsWks($directoryFirstBlockId);
+
+ return true;
+ }
+
+ /**
+ * @param int $blockId byte offset from beginning of file
+ *
+ * @return int
+ */
+ public function getBlockOffset($blockId)
+ {
+ return 512 + $blockId * $this->bigBlockSize;
+ }
+
+ /**
+ * Returns a stream for use with fread() etc. External callers should
+ * use \PhpOffice\PhpSpreadsheet\Shared\OLE\PPS\File::getStream().
+ *
+ * @param int|OLE\PPS $blockIdOrPps block id or PPS
+ *
+ * @return resource read-only stream
+ */
+ public function getStream($blockIdOrPps)
+ {
+ static $isRegistered = false;
+ if (!$isRegistered) {
+ stream_wrapper_register('ole-chainedblockstream', ChainedBlockStream::class);
+ $isRegistered = true;
+ }
+
+ // Store current instance in global array, so that it can be accessed
+ // in OLE_ChainedBlockStream::stream_open().
+ // Object is removed from self::$instances in OLE_Stream::close().
+ $GLOBALS['_OLE_INSTANCES'][] = $this;
+ $instanceId = end(array_keys($GLOBALS['_OLE_INSTANCES']));
+
+ $path = 'ole-chainedblockstream://oleInstanceId=' . $instanceId;
+ if ($blockIdOrPps instanceof OLE\PPS) {
+ $path .= '&blockId=' . $blockIdOrPps->startBlock;
+ $path .= '&size=' . $blockIdOrPps->Size;
+ } else {
+ $path .= '&blockId=' . $blockIdOrPps;
+ }
+
+ return fopen($path, 'rb');
+ }
+
+ /**
+ * Reads a signed char.
+ *
+ * @param resource $fh file handle
+ *
+ * @return int
+ */
+ private static function readInt1($fh)
+ {
+ [, $tmp] = unpack('c', fread($fh, 1));
+
+ return $tmp;
+ }
+
+ /**
+ * Reads an unsigned short (2 octets).
+ *
+ * @param resource $fh file handle
+ *
+ * @return int
+ */
+ private static function readInt2($fh)
+ {
+ [, $tmp] = unpack('v', fread($fh, 2));
+
+ return $tmp;
+ }
+
+ /**
+ * Reads an unsigned long (4 octets).
+ *
+ * @param resource $fh file handle
+ *
+ * @return int
+ */
+ private static function readInt4($fh)
+ {
+ [, $tmp] = unpack('V', fread($fh, 4));
+
+ return $tmp;
+ }
+
+ /**
+ * Gets information about all PPS's on the OLE container from the PPS WK's
+ * creates an OLE_PPS object for each one.
+ *
+ * @param int $blockId the block id of the first block
+ *
+ * @return bool true on success, PEAR_Error on failure
+ */
+ public function readPpsWks($blockId)
+ {
+ $fh = $this->getStream($blockId);
+ for ($pos = 0; true; $pos += 128) {
+ fseek($fh, $pos, SEEK_SET);
+ $nameUtf16 = fread($fh, 64);
+ $nameLength = self::readInt2($fh);
+ $nameUtf16 = substr($nameUtf16, 0, $nameLength - 2);
+ // Simple conversion from UTF-16LE to ISO-8859-1
+ $name = str_replace("\x00", '', $nameUtf16);
+ $type = self::readInt1($fh);
+ switch ($type) {
+ case self::OLE_PPS_TYPE_ROOT:
+ $pps = new OLE\PPS\Root(null, null, []);
+ $this->root = $pps;
+
+ break;
+ case self::OLE_PPS_TYPE_DIR:
+ $pps = new OLE\PPS(null, null, null, null, null, null, null, null, null, []);
+
+ break;
+ case self::OLE_PPS_TYPE_FILE:
+ $pps = new OLE\PPS\File($name);
+
+ break;
+ default:
+ break;
+ }
+ fseek($fh, 1, SEEK_CUR);
+ $pps->Type = $type;
+ $pps->Name = $name;
+ $pps->PrevPps = self::readInt4($fh);
+ $pps->NextPps = self::readInt4($fh);
+ $pps->DirPps = self::readInt4($fh);
+ fseek($fh, 20, SEEK_CUR);
+ $pps->Time1st = self::OLE2LocalDate(fread($fh, 8));
+ $pps->Time2nd = self::OLE2LocalDate(fread($fh, 8));
+ $pps->startBlock = self::readInt4($fh);
+ $pps->Size = self::readInt4($fh);
+ $pps->No = count($this->_list);
+ $this->_list[] = $pps;
+
+ // check if the PPS tree (starting from root) is complete
+ if (isset($this->root) && $this->ppsTreeComplete($this->root->No)) {
+ break;
+ }
+ }
+ fclose($fh);
+
+ // Initialize $pps->children on directories
+ foreach ($this->_list as $pps) {
+ if ($pps->Type == self::OLE_PPS_TYPE_DIR || $pps->Type == self::OLE_PPS_TYPE_ROOT) {
+ $nos = [$pps->DirPps];
+ $pps->children = [];
+ while ($nos) {
+ $no = array_pop($nos);
+ if ($no != -1) {
+ $childPps = $this->_list[$no];
+ $nos[] = $childPps->PrevPps;
+ $nos[] = $childPps->NextPps;
+ $pps->children[] = $childPps;
+ }
+ }
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * It checks whether the PPS tree is complete (all PPS's read)
+ * starting with the given PPS (not necessarily root).
+ *
+ * @param int $index The index of the PPS from which we are checking
+ *
+ * @return bool Whether the PPS tree for the given PPS is complete
+ */
+ private function ppsTreeComplete($index)
+ {
+ return isset($this->_list[$index]) &&
+ ($pps = $this->_list[$index]) &&
+ ($pps->PrevPps == -1 ||
+ $this->ppsTreeComplete($pps->PrevPps)) &&
+ ($pps->NextPps == -1 ||
+ $this->ppsTreeComplete($pps->NextPps)) &&
+ ($pps->DirPps == -1 ||
+ $this->ppsTreeComplete($pps->DirPps));
+ }
+
+ /**
+ * Checks whether a PPS is a File PPS or not.
+ * If there is no PPS for the index given, it will return false.
+ *
+ * @param int $index The index for the PPS
+ *
+ * @return bool true if it's a File PPS, false otherwise
+ */
+ public function isFile($index)
+ {
+ if (isset($this->_list[$index])) {
+ return $this->_list[$index]->Type == self::OLE_PPS_TYPE_FILE;
+ }
+
+ return false;
+ }
+
+ /**
+ * Checks whether a PPS is a Root PPS or not.
+ * If there is no PPS for the index given, it will return false.
+ *
+ * @param int $index the index for the PPS
+ *
+ * @return bool true if it's a Root PPS, false otherwise
+ */
+ public function isRoot($index)
+ {
+ if (isset($this->_list[$index])) {
+ return $this->_list[$index]->Type == self::OLE_PPS_TYPE_ROOT;
+ }
+
+ return false;
+ }
+
+ /**
+ * Gives the total number of PPS's found in the OLE container.
+ *
+ * @return int The total number of PPS's found in the OLE container
+ */
+ public function ppsTotal()
+ {
+ return count($this->_list);
+ }
+
+ /**
+ * Gets data from a PPS
+ * If there is no PPS for the index given, it will return an empty string.
+ *
+ * @param int $index The index for the PPS
+ * @param int $position The position from which to start reading
+ * (relative to the PPS)
+ * @param int $length The amount of bytes to read (at most)
+ *
+ * @return string The binary string containing the data requested
+ *
+ * @see OLE_PPS_File::getStream()
+ */
+ public function getData($index, $position, $length)
+ {
+ // if position is not valid return empty string
+ if (!isset($this->_list[$index]) || ($position >= $this->_list[$index]->Size) || ($position < 0)) {
+ return '';
+ }
+ $fh = $this->getStream($this->_list[$index]);
+ $data = stream_get_contents($fh, $length, $position);
+ fclose($fh);
+
+ return $data;
+ }
+
+ /**
+ * Gets the data length from a PPS
+ * If there is no PPS for the index given, it will return 0.
+ *
+ * @param int $index The index for the PPS
+ *
+ * @return int The amount of bytes in data the PPS has
+ */
+ public function getDataLength($index)
+ {
+ if (isset($this->_list[$index])) {
+ return $this->_list[$index]->Size;
+ }
+
+ return 0;
+ }
+
+ /**
+ * Utility function to transform ASCII text to Unicode.
+ *
+ * @param string $ascii The ASCII string to transform
+ *
+ * @return string The string in Unicode
+ */
+ public static function ascToUcs($ascii)
+ {
+ $rawname = '';
+ $iMax = strlen($ascii);
+ for ($i = 0; $i < $iMax; ++$i) {
+ $rawname .= $ascii[$i]
+ . "\x00";
+ }
+
+ return $rawname;
+ }
+
+ /**
+ * Utility function
+ * Returns a string for the OLE container with the date given.
+ *
+ * @param int $date A timestamp
+ *
+ * @return string The string for the OLE container
+ */
+ public static function localDateToOLE($date)
+ {
+ if (!isset($date)) {
+ return "\x00\x00\x00\x00\x00\x00\x00\x00";
+ }
+
+ // factor used for separating numbers into 4 bytes parts
+ $factor = 2 ** 32;
+
+ // days from 1-1-1601 until the beggining of UNIX era
+ $days = 134774;
+ // calculate seconds
+ $big_date = $days * 24 * 3600 + mktime((int) date('H', $date), (int) date('i', $date), (int) date('s', $date), (int) date('m', $date), (int) date('d', $date), (int) date('Y', $date));
+ // multiply just to make MS happy
+ $big_date *= 10000000;
+
+ $high_part = floor($big_date / $factor);
+ // lower 4 bytes
+ $low_part = floor((($big_date / $factor) - $high_part) * $factor);
+
+ // Make HEX string
+ $res = '';
+
+ for ($i = 0; $i < 4; ++$i) {
+ $hex = $low_part % 0x100;
+ $res .= pack('c', $hex);
+ $low_part /= 0x100;
+ }
+ for ($i = 0; $i < 4; ++$i) {
+ $hex = $high_part % 0x100;
+ $res .= pack('c', $hex);
+ $high_part /= 0x100;
+ }
+
+ return $res;
+ }
+
+ /**
+ * Returns a timestamp from an OLE container's date.
+ *
+ * @param string $oleTimestamp A binary string with the encoded date
+ *
+ * @return int The Unix timestamp corresponding to the string
+ */
+ public static function OLE2LocalDate($oleTimestamp)
+ {
+ if (strlen($oleTimestamp) != 8) {
+ throw new ReaderException('Expecting 8 byte string');
+ }
+
+ // convert to units of 100 ns since 1601:
+ $unpackedTimestamp = unpack('v4', $oleTimestamp);
+ $timestampHigh = (float) $unpackedTimestamp[4] * 65536 + (float) $unpackedTimestamp[3];
+ $timestampLow = (float) $unpackedTimestamp[2] * 65536 + (float) $unpackedTimestamp[1];
+
+ // translate to seconds since 1601:
+ $timestampHigh /= 10000000;
+ $timestampLow /= 10000000;
+
+ // days from 1601 to 1970:
+ $days = 134774;
+
+ // translate to seconds since 1970:
+ $unixTimestamp = floor(65536.0 * 65536.0 * $timestampHigh + $timestampLow - $days * 24 * 3600 + 0.5);
+
+ $iTimestamp = (int) $unixTimestamp;
+
+ // Overflow conditions can't happen on 64-bit system
+ return ($iTimestamp == $unixTimestamp) ? $iTimestamp : ($unixTimestamp >= 0.0 ? PHP_INT_MAX : PHP_INT_MIN);
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/ChainedBlockStream.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/ChainedBlockStream.php
new file mode 100644
index 0000000..7b98370
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/ChainedBlockStream.php
@@ -0,0 +1,196 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\OLE;
+
+use PhpOffice\PhpSpreadsheet\Shared\OLE;
+
+class ChainedBlockStream
+{
+ /**
+ * The OLE container of the file that is being read.
+ *
+ * @var OLE
+ */
+ public $ole;
+
+ /**
+ * Parameters specified by fopen().
+ *
+ * @var array
+ */
+ public $params;
+
+ /**
+ * The binary data of the file.
+ *
+ * @var string
+ */
+ public $data;
+
+ /**
+ * The file pointer.
+ *
+ * @var int byte offset
+ */
+ public $pos;
+
+ /**
+ * Implements support for fopen().
+ * For creating streams using this wrapper, use OLE_PPS_File::getStream().
+ *
+ * @param string $path resource name including scheme, e.g.
+ * ole-chainedblockstream://oleInstanceId=1
+ * @param string $mode only "r" is supported
+ * @param int $options mask of STREAM_REPORT_ERRORS and STREAM_USE_PATH
+ * @param string &$openedPath absolute path of the opened stream (out parameter)
+ *
+ * @return bool true on success
+ */
+ public function stream_open($path, $mode, $options, &$openedPath) // @codingStandardsIgnoreLine
+ {
+ if ($mode != 'r') {
+ if ($options & STREAM_REPORT_ERRORS) {
+ trigger_error('Only reading is supported', E_USER_WARNING);
+ }
+
+ return false;
+ }
+
+ // 25 is length of "ole-chainedblockstream://"
+ parse_str(substr($path, 25), $this->params);
+ if (!isset($this->params['oleInstanceId'], $this->params['blockId'], $GLOBALS['_OLE_INSTANCES'][$this->params['oleInstanceId']])) {
+ if ($options & STREAM_REPORT_ERRORS) {
+ trigger_error('OLE stream not found', E_USER_WARNING);
+ }
+
+ return false;
+ }
+ $this->ole = $GLOBALS['_OLE_INSTANCES'][$this->params['oleInstanceId']];
+
+ $blockId = $this->params['blockId'];
+ $this->data = '';
+ if (isset($this->params['size']) && $this->params['size'] < $this->ole->bigBlockThreshold && $blockId != $this->ole->root->startBlock) {
+ // Block id refers to small blocks
+ $rootPos = $this->ole->getBlockOffset($this->ole->root->startBlock);
+ while ($blockId != -2) {
+ $pos = $rootPos + $blockId * $this->ole->bigBlockSize;
+ $blockId = $this->ole->sbat[$blockId];
+ fseek($this->ole->_file_handle, $pos);
+ $this->data .= fread($this->ole->_file_handle, $this->ole->bigBlockSize);
+ }
+ } else {
+ // Block id refers to big blocks
+ while ($blockId != -2) {
+ $pos = $this->ole->getBlockOffset($blockId);
+ fseek($this->ole->_file_handle, $pos);
+ $this->data .= fread($this->ole->_file_handle, $this->ole->bigBlockSize);
+ $blockId = $this->ole->bbat[$blockId];
+ }
+ }
+ if (isset($this->params['size'])) {
+ $this->data = substr($this->data, 0, $this->params['size']);
+ }
+
+ if ($options & STREAM_USE_PATH) {
+ $openedPath = $path;
+ }
+
+ return true;
+ }
+
+ /**
+ * Implements support for fclose().
+ */
+ public function stream_close(): void // @codingStandardsIgnoreLine
+ {
+ $this->ole = null;
+ unset($GLOBALS['_OLE_INSTANCES']);
+ }
+
+ /**
+ * Implements support for fread(), fgets() etc.
+ *
+ * @param int $count maximum number of bytes to read
+ *
+ * @return string
+ */
+ public function stream_read($count) // @codingStandardsIgnoreLine
+ {
+ if ($this->stream_eof()) {
+ return false;
+ }
+ $s = substr($this->data, $this->pos, $count);
+ $this->pos += $count;
+
+ return $s;
+ }
+
+ /**
+ * Implements support for feof().
+ *
+ * @return bool TRUE if the file pointer is at EOF; otherwise FALSE
+ */
+ public function stream_eof() // @codingStandardsIgnoreLine
+ {
+ return $this->pos >= strlen($this->data);
+ }
+
+ /**
+ * Returns the position of the file pointer, i.e. its offset into the file
+ * stream. Implements support for ftell().
+ *
+ * @return int
+ */
+ public function stream_tell() // @codingStandardsIgnoreLine
+ {
+ return $this->pos;
+ }
+
+ /**
+ * Implements support for fseek().
+ *
+ * @param int $offset byte offset
+ * @param int $whence SEEK_SET, SEEK_CUR or SEEK_END
+ *
+ * @return bool
+ */
+ public function stream_seek($offset, $whence) // @codingStandardsIgnoreLine
+ {
+ if ($whence == SEEK_SET && $offset >= 0) {
+ $this->pos = $offset;
+ } elseif ($whence == SEEK_CUR && -$offset <= $this->pos) {
+ $this->pos += $offset;
+ } elseif ($whence == SEEK_END && -$offset <= count($this->data)) {
+ $this->pos = strlen($this->data) + $offset;
+ } else {
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Implements support for fstat(). Currently the only supported field is
+ * "size".
+ *
+ * @return array
+ */
+ public function stream_stat() // @codingStandardsIgnoreLine
+ {
+ return [
+ 'size' => strlen($this->data),
+ ];
+ }
+
+ // Methods used by stream_wrapper_register() that are not implemented:
+ // bool stream_flush ( void )
+ // int stream_write ( string data )
+ // bool rename ( string path_from, string path_to )
+ // bool mkdir ( string path, int mode, int options )
+ // bool rmdir ( string path, int options )
+ // bool dir_opendir ( string path, int options )
+ // array url_stat ( string path, int flags )
+ // string dir_readdir ( void )
+ // bool dir_rewinddir ( void )
+ // bool dir_closedir ( void )
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS.php
new file mode 100644
index 0000000..1832521
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS.php
@@ -0,0 +1,237 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\OLE;
+
+// vim: set expandtab tabstop=4 shiftwidth=4:
+// +----------------------------------------------------------------------+
+// | PHP Version 4 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2002 The PHP Group |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.02 of the PHP license, |
+// | that is bundled with this package in the file LICENSE, and is |
+// | available at through the world-wide-web at |
+// | http://www.php.net/license/2_02.txt. |
+// | If you did not receive a copy of the PHP license and are unable to |
+// | obtain it through the world-wide-web, please send a note to |
+// | license@php.net so we can mail you a copy immediately. |
+// +----------------------------------------------------------------------+
+// | Author: Xavier Noguer <xnoguer@php.net> |
+// | Based on OLE::Storage_Lite by Kawai, Takanori |
+// +----------------------------------------------------------------------+
+//
+use PhpOffice\PhpSpreadsheet\Shared\OLE;
+
+/**
+ * Class for creating PPS's for OLE containers.
+ *
+ * @author Xavier Noguer <xnoguer@php.net>
+ */
+class PPS
+{
+ /**
+ * The PPS index.
+ *
+ * @var int
+ */
+ public $No;
+
+ /**
+ * The PPS name (in Unicode).
+ *
+ * @var string
+ */
+ public $Name;
+
+ /**
+ * The PPS type. Dir, Root or File.
+ *
+ * @var int
+ */
+ public $Type;
+
+ /**
+ * The index of the previous PPS.
+ *
+ * @var int
+ */
+ public $PrevPps;
+
+ /**
+ * The index of the next PPS.
+ *
+ * @var int
+ */
+ public $NextPps;
+
+ /**
+ * The index of it's first child if this is a Dir or Root PPS.
+ *
+ * @var int
+ */
+ public $DirPps;
+
+ /**
+ * A timestamp.
+ *
+ * @var int
+ */
+ public $Time1st;
+
+ /**
+ * A timestamp.
+ *
+ * @var int
+ */
+ public $Time2nd;
+
+ /**
+ * Starting block (small or big) for this PPS's data inside the container.
+ *
+ * @var int
+ */
+ public $startBlock;
+
+ /**
+ * The size of the PPS's data (in bytes).
+ *
+ * @var int
+ */
+ public $Size;
+
+ /**
+ * The PPS's data (only used if it's not using a temporary file).
+ *
+ * @var string
+ */
+ public $_data;
+
+ /**
+ * Array of child PPS's (only used by Root and Dir PPS's).
+ *
+ * @var array
+ */
+ public $children = [];
+
+ /**
+ * Pointer to OLE container.
+ *
+ * @var OLE
+ */
+ public $ole;
+
+ /**
+ * The constructor.
+ *
+ * @param int $No The PPS index
+ * @param string $name The PPS name
+ * @param int $type The PPS type. Dir, Root or File
+ * @param int $prev The index of the previous PPS
+ * @param int $next The index of the next PPS
+ * @param int $dir The index of it's first child if this is a Dir or Root PPS
+ * @param int $time_1st A timestamp
+ * @param int $time_2nd A timestamp
+ * @param string $data The (usually binary) source data of the PPS
+ * @param array $children Array containing children PPS for this PPS
+ */
+ public function __construct($No, $name, $type, $prev, $next, $dir, $time_1st, $time_2nd, $data, $children)
+ {
+ $this->No = $No;
+ $this->Name = $name;
+ $this->Type = $type;
+ $this->PrevPps = $prev;
+ $this->NextPps = $next;
+ $this->DirPps = $dir;
+ $this->Time1st = $time_1st;
+ $this->Time2nd = $time_2nd;
+ $this->_data = $data;
+ $this->children = $children;
+ if ($data != '') {
+ $this->Size = strlen($data);
+ } else {
+ $this->Size = 0;
+ }
+ }
+
+ /**
+ * Returns the amount of data saved for this PPS.
+ *
+ * @return int The amount of data (in bytes)
+ */
+ public function getDataLen()
+ {
+ if (!isset($this->_data)) {
+ return 0;
+ }
+
+ return strlen($this->_data);
+ }
+
+ /**
+ * Returns a string with the PPS's WK (What is a WK?).
+ *
+ * @return string The binary string
+ */
+ public function getPpsWk()
+ {
+ $ret = str_pad($this->Name, 64, "\x00");
+
+ $ret .= pack('v', strlen($this->Name) + 2) // 66
+ . pack('c', $this->Type) // 67
+ . pack('c', 0x00) //UK // 68
+ . pack('V', $this->PrevPps) //Prev // 72
+ . pack('V', $this->NextPps) //Next // 76
+ . pack('V', $this->DirPps) //Dir // 80
+ . "\x00\x09\x02\x00" // 84
+ . "\x00\x00\x00\x00" // 88
+ . "\xc0\x00\x00\x00" // 92
+ . "\x00\x00\x00\x46" // 96 // Seems to be ok only for Root
+ . "\x00\x00\x00\x00" // 100
+ . OLE::localDateToOLE($this->Time1st) // 108
+ . OLE::localDateToOLE($this->Time2nd) // 116
+ . pack('V', isset($this->startBlock) ? $this->startBlock : 0) // 120
+ . pack('V', $this->Size) // 124
+ . pack('V', 0); // 128
+
+ return $ret;
+ }
+
+ /**
+ * Updates index and pointers to previous, next and children PPS's for this
+ * PPS. I don't think it'll work with Dir PPS's.
+ *
+ * @param array &$raList Reference to the array of PPS's for the whole OLE
+ * container
+ * @param mixed $to_save
+ * @param mixed $depth
+ *
+ * @return int The index for this PPS
+ */
+ public static function savePpsSetPnt(&$raList, $to_save, $depth = 0)
+ {
+ if (!is_array($to_save) || (empty($to_save))) {
+ return 0xFFFFFFFF;
+ } elseif (count($to_save) == 1) {
+ $cnt = count($raList);
+ // If the first entry, it's the root... Don't clone it!
+ $raList[$cnt] = ($depth == 0) ? $to_save[0] : clone $to_save[0];
+ $raList[$cnt]->No = $cnt;
+ $raList[$cnt]->PrevPps = 0xFFFFFFFF;
+ $raList[$cnt]->NextPps = 0xFFFFFFFF;
+ $raList[$cnt]->DirPps = self::savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
+ } else {
+ $iPos = floor(count($to_save) / 2);
+ $aPrev = array_slice($to_save, 0, $iPos);
+ $aNext = array_slice($to_save, $iPos + 1);
+ $cnt = count($raList);
+ // If the first entry, it's the root... Don't clone it!
+ $raList[$cnt] = ($depth == 0) ? $to_save[$iPos] : clone $to_save[$iPos];
+ $raList[$cnt]->No = $cnt;
+ $raList[$cnt]->PrevPps = self::savePpsSetPnt($raList, $aPrev, $depth++);
+ $raList[$cnt]->NextPps = self::savePpsSetPnt($raList, $aNext, $depth++);
+ $raList[$cnt]->DirPps = self::savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
+ }
+
+ return $cnt;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS/File.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS/File.php
new file mode 100644
index 0000000..006da1f
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS/File.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\OLE\PPS;
+
+// vim: set expandtab tabstop=4 shiftwidth=4:
+// +----------------------------------------------------------------------+
+// | PHP Version 4 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2002 The PHP Group |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.02 of the PHP license, |
+// | that is bundled with this package in the file LICENSE, and is |
+// | available at through the world-wide-web at |
+// | http://www.php.net/license/2_02.txt. |
+// | If you did not receive a copy of the PHP license and are unable to |
+// | obtain it through the world-wide-web, please send a note to |
+// | license@php.net so we can mail you a copy immediately. |
+// +----------------------------------------------------------------------+
+// | Author: Xavier Noguer <xnoguer@php.net> |
+// | Based on OLE::Storage_Lite by Kawai, Takanori |
+// +----------------------------------------------------------------------+
+//
+use PhpOffice\PhpSpreadsheet\Shared\OLE;
+use PhpOffice\PhpSpreadsheet\Shared\OLE\PPS;
+
+/**
+ * Class for creating File PPS's for OLE containers.
+ *
+ * @author Xavier Noguer <xnoguer@php.net>
+ */
+class File extends PPS
+{
+ /**
+ * The constructor.
+ *
+ * @param string $name The name of the file (in Unicode)
+ *
+ * @see OLE::ascToUcs()
+ */
+ public function __construct($name)
+ {
+ parent::__construct(null, $name, OLE::OLE_PPS_TYPE_FILE, null, null, null, null, null, '', []);
+ }
+
+ /**
+ * Initialization method. Has to be called right after OLE_PPS_File().
+ *
+ * @return mixed true on success
+ */
+ public function init()
+ {
+ return true;
+ }
+
+ /**
+ * Append data to PPS.
+ *
+ * @param string $data The data to append
+ */
+ public function append($data): void
+ {
+ $this->_data .= $data;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS/Root.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS/Root.php
new file mode 100644
index 0000000..0be80e9
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLE/PPS/Root.php
@@ -0,0 +1,426 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\OLE\PPS;
+
+// vim: set expandtab tabstop=4 shiftwidth=4:
+// +----------------------------------------------------------------------+
+// | PHP Version 4 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2002 The PHP Group |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.02 of the PHP license, |
+// | that is bundled with this package in the file LICENSE, and is |
+// | available at through the world-wide-web at |
+// | http://www.php.net/license/2_02.txt. |
+// | If you did not receive a copy of the PHP license and are unable to |
+// | obtain it through the world-wide-web, please send a note to |
+// | license@php.net so we can mail you a copy immediately. |
+// +----------------------------------------------------------------------+
+// | Author: Xavier Noguer <xnoguer@php.net> |
+// | Based on OLE::Storage_Lite by Kawai, Takanori |
+// +----------------------------------------------------------------------+
+//
+use PhpOffice\PhpSpreadsheet\Shared\OLE;
+use PhpOffice\PhpSpreadsheet\Shared\OLE\PPS;
+
+/**
+ * Class for creating Root PPS's for OLE containers.
+ *
+ * @author Xavier Noguer <xnoguer@php.net>
+ */
+class Root extends PPS
+{
+ /**
+ * @var resource
+ */
+ private $fileHandle;
+
+ /**
+ * @var int
+ */
+ private $smallBlockSize;
+
+ /**
+ * @var int
+ */
+ private $bigBlockSize;
+
+ /**
+ * @param int $time_1st A timestamp
+ * @param int $time_2nd A timestamp
+ * @param File[] $raChild
+ */
+ public function __construct($time_1st, $time_2nd, $raChild)
+ {
+ parent::__construct(null, OLE::ascToUcs('Root Entry'), OLE::OLE_PPS_TYPE_ROOT, null, null, null, $time_1st, $time_2nd, null, $raChild);
+ }
+
+ /**
+ * Method for saving the whole OLE container (including files).
+ * In fact, if called with an empty argument (or '-'), it saves to a
+ * temporary file and then outputs it's contents to stdout.
+ * If a resource pointer to a stream created by fopen() is passed
+ * it will be used, but you have to close such stream by yourself.
+ *
+ * @param resource $fileHandle the name of the file or stream where to save the OLE container
+ *
+ * @return bool true on success
+ */
+ public function save($fileHandle)
+ {
+ $this->fileHandle = $fileHandle;
+
+ // Initial Setting for saving
+ $this->bigBlockSize = 2 ** (
+ (isset($this->bigBlockSize)) ? self::adjust2($this->bigBlockSize) : 9
+ );
+ $this->smallBlockSize = 2 ** (
+ (isset($this->smallBlockSize)) ? self::adjust2($this->smallBlockSize) : 6
+ );
+
+ // Make an array of PPS's (for Save)
+ $aList = [];
+ PPS::savePpsSetPnt($aList, [$this]);
+ // calculate values for header
+ [$iSBDcnt, $iBBcnt, $iPPScnt] = $this->calcSize($aList); //, $rhInfo);
+ // Save Header
+ $this->saveHeader($iSBDcnt, $iBBcnt, $iPPScnt);
+
+ // Make Small Data string (write SBD)
+ $this->_data = $this->makeSmallData($aList);
+
+ // Write BB
+ $this->saveBigData($iSBDcnt, $aList);
+ // Write PPS
+ $this->savePps($aList);
+ // Write Big Block Depot and BDList and Adding Header informations
+ $this->saveBbd($iSBDcnt, $iBBcnt, $iPPScnt);
+
+ return true;
+ }
+
+ /**
+ * Calculate some numbers.
+ *
+ * @param array $raList Reference to an array of PPS's
+ *
+ * @return float[] The array of numbers
+ */
+ private function calcSize(&$raList)
+ {
+ // Calculate Basic Setting
+ [$iSBDcnt, $iBBcnt, $iPPScnt] = [0, 0, 0];
+ $iSmallLen = 0;
+ $iSBcnt = 0;
+ $iCount = count($raList);
+ for ($i = 0; $i < $iCount; ++$i) {
+ if ($raList[$i]->Type == OLE::OLE_PPS_TYPE_FILE) {
+ $raList[$i]->Size = $raList[$i]->getDataLen();
+ if ($raList[$i]->Size < OLE::OLE_DATA_SIZE_SMALL) {
+ $iSBcnt += floor($raList[$i]->Size / $this->smallBlockSize)
+ + (($raList[$i]->Size % $this->smallBlockSize) ? 1 : 0);
+ } else {
+ $iBBcnt += (floor($raList[$i]->Size / $this->bigBlockSize) +
+ (($raList[$i]->Size % $this->bigBlockSize) ? 1 : 0));
+ }
+ }
+ }
+ $iSmallLen = $iSBcnt * $this->smallBlockSize;
+ $iSlCnt = floor($this->bigBlockSize / OLE::OLE_LONG_INT_SIZE);
+ $iSBDcnt = floor($iSBcnt / $iSlCnt) + (($iSBcnt % $iSlCnt) ? 1 : 0);
+ $iBBcnt += (floor($iSmallLen / $this->bigBlockSize) +
+ (($iSmallLen % $this->bigBlockSize) ? 1 : 0));
+ $iCnt = count($raList);
+ $iBdCnt = $this->bigBlockSize / OLE::OLE_PPS_SIZE;
+ $iPPScnt = (floor($iCnt / $iBdCnt) + (($iCnt % $iBdCnt) ? 1 : 0));
+
+ return [$iSBDcnt, $iBBcnt, $iPPScnt];
+ }
+
+ /**
+ * Helper function for caculating a magic value for block sizes.
+ *
+ * @param int $i2 The argument
+ *
+ * @return float
+ *
+ * @see save()
+ */
+ private static function adjust2($i2)
+ {
+ $iWk = log($i2) / log(2);
+
+ return ($iWk > floor($iWk)) ? floor($iWk) + 1 : $iWk;
+ }
+
+ /**
+ * Save OLE header.
+ *
+ * @param int $iSBDcnt
+ * @param int $iBBcnt
+ * @param int $iPPScnt
+ */
+ private function saveHeader($iSBDcnt, $iBBcnt, $iPPScnt): void
+ {
+ $FILE = $this->fileHandle;
+
+ // Calculate Basic Setting
+ $iBlCnt = $this->bigBlockSize / OLE::OLE_LONG_INT_SIZE;
+ $i1stBdL = ($this->bigBlockSize - 0x4C) / OLE::OLE_LONG_INT_SIZE;
+
+ $iBdExL = 0;
+ $iAll = $iBBcnt + $iPPScnt + $iSBDcnt;
+ $iAllW = $iAll;
+ $iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt) ? 1 : 0);
+ $iBdCnt = floor(($iAll + $iBdCntW) / $iBlCnt) + ((($iAllW + $iBdCntW) % $iBlCnt) ? 1 : 0);
+
+ // Calculate BD count
+ if ($iBdCnt > $i1stBdL) {
+ while (1) {
+ ++$iBdExL;
+ ++$iAllW;
+ $iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt) ? 1 : 0);
+ $iBdCnt = floor(($iAllW + $iBdCntW) / $iBlCnt) + ((($iAllW + $iBdCntW) % $iBlCnt) ? 1 : 0);
+ if ($iBdCnt <= ($iBdExL * $iBlCnt + $i1stBdL)) {
+ break;
+ }
+ }
+ }
+
+ // Save Header
+ fwrite(
+ $FILE,
+ "\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1"
+ . "\x00\x00\x00\x00"
+ . "\x00\x00\x00\x00"
+ . "\x00\x00\x00\x00"
+ . "\x00\x00\x00\x00"
+ . pack('v', 0x3b)
+ . pack('v', 0x03)
+ . pack('v', -2)
+ . pack('v', 9)
+ . pack('v', 6)
+ . pack('v', 0)
+ . "\x00\x00\x00\x00"
+ . "\x00\x00\x00\x00"
+ . pack('V', $iBdCnt)
+ . pack('V', $iBBcnt + $iSBDcnt) //ROOT START
+ . pack('V', 0)
+ . pack('V', 0x1000)
+ . pack('V', $iSBDcnt ? 0 : -2) //Small Block Depot
+ . pack('V', $iSBDcnt)
+ );
+ // Extra BDList Start, Count
+ if ($iBdCnt < $i1stBdL) {
+ fwrite(
+ $FILE,
+ pack('V', -2) // Extra BDList Start
+ . pack('V', 0)// Extra BDList Count
+ );
+ } else {
+ fwrite($FILE, pack('V', $iAll + $iBdCnt) . pack('V', $iBdExL));
+ }
+
+ // BDList
+ for ($i = 0; $i < $i1stBdL && $i < $iBdCnt; ++$i) {
+ fwrite($FILE, pack('V', $iAll + $i));
+ }
+ if ($i < $i1stBdL) {
+ $jB = $i1stBdL - $i;
+ for ($j = 0; $j < $jB; ++$j) {
+ fwrite($FILE, (pack('V', -1)));
+ }
+ }
+ }
+
+ /**
+ * Saving big data (PPS's with data bigger than \PhpOffice\PhpSpreadsheet\Shared\OLE::OLE_DATA_SIZE_SMALL).
+ *
+ * @param int $iStBlk
+ * @param array &$raList Reference to array of PPS's
+ */
+ private function saveBigData($iStBlk, &$raList): void
+ {
+ $FILE = $this->fileHandle;
+
+ // cycle through PPS's
+ $iCount = count($raList);
+ for ($i = 0; $i < $iCount; ++$i) {
+ if ($raList[$i]->Type != OLE::OLE_PPS_TYPE_DIR) {
+ $raList[$i]->Size = $raList[$i]->getDataLen();
+ if (($raList[$i]->Size >= OLE::OLE_DATA_SIZE_SMALL) || (($raList[$i]->Type == OLE::OLE_PPS_TYPE_ROOT) && isset($raList[$i]->_data))) {
+ fwrite($FILE, $raList[$i]->_data);
+
+ if ($raList[$i]->Size % $this->bigBlockSize) {
+ fwrite($FILE, str_repeat("\x00", $this->bigBlockSize - ($raList[$i]->Size % $this->bigBlockSize)));
+ }
+ // Set For PPS
+ $raList[$i]->startBlock = $iStBlk;
+ $iStBlk +=
+ (floor($raList[$i]->Size / $this->bigBlockSize) +
+ (($raList[$i]->Size % $this->bigBlockSize) ? 1 : 0));
+ }
+ }
+ }
+ }
+
+ /**
+ * get small data (PPS's with data smaller than \PhpOffice\PhpSpreadsheet\Shared\OLE::OLE_DATA_SIZE_SMALL).
+ *
+ * @param array &$raList Reference to array of PPS's
+ *
+ * @return string
+ */
+ private function makeSmallData(&$raList)
+ {
+ $sRes = '';
+ $FILE = $this->fileHandle;
+ $iSmBlk = 0;
+
+ $iCount = count($raList);
+ for ($i = 0; $i < $iCount; ++$i) {
+ // Make SBD, small data string
+ if ($raList[$i]->Type == OLE::OLE_PPS_TYPE_FILE) {
+ if ($raList[$i]->Size <= 0) {
+ continue;
+ }
+ if ($raList[$i]->Size < OLE::OLE_DATA_SIZE_SMALL) {
+ $iSmbCnt = floor($raList[$i]->Size / $this->smallBlockSize)
+ + (($raList[$i]->Size % $this->smallBlockSize) ? 1 : 0);
+ // Add to SBD
+ $jB = $iSmbCnt - 1;
+ for ($j = 0; $j < $jB; ++$j) {
+ fwrite($FILE, pack('V', $j + $iSmBlk + 1));
+ }
+ fwrite($FILE, pack('V', -2));
+
+ // Add to Data String(this will be written for RootEntry)
+ $sRes .= $raList[$i]->_data;
+ if ($raList[$i]->Size % $this->smallBlockSize) {
+ $sRes .= str_repeat("\x00", $this->smallBlockSize - ($raList[$i]->Size % $this->smallBlockSize));
+ }
+ // Set for PPS
+ $raList[$i]->startBlock = $iSmBlk;
+ $iSmBlk += $iSmbCnt;
+ }
+ }
+ }
+ $iSbCnt = floor($this->bigBlockSize / OLE::OLE_LONG_INT_SIZE);
+ if ($iSmBlk % $iSbCnt) {
+ $iB = $iSbCnt - ($iSmBlk % $iSbCnt);
+ for ($i = 0; $i < $iB; ++$i) {
+ fwrite($FILE, pack('V', -1));
+ }
+ }
+
+ return $sRes;
+ }
+
+ /**
+ * Saves all the PPS's WKs.
+ *
+ * @param array $raList Reference to an array with all PPS's
+ */
+ private function savePps(&$raList): void
+ {
+ // Save each PPS WK
+ $iC = count($raList);
+ for ($i = 0; $i < $iC; ++$i) {
+ fwrite($this->fileHandle, $raList[$i]->getPpsWk());
+ }
+ // Adjust for Block
+ $iCnt = count($raList);
+ $iBCnt = $this->bigBlockSize / OLE::OLE_PPS_SIZE;
+ if ($iCnt % $iBCnt) {
+ fwrite($this->fileHandle, str_repeat("\x00", ($iBCnt - ($iCnt % $iBCnt)) * OLE::OLE_PPS_SIZE));
+ }
+ }
+
+ /**
+ * Saving Big Block Depot.
+ *
+ * @param int $iSbdSize
+ * @param int $iBsize
+ * @param int $iPpsCnt
+ */
+ private function saveBbd($iSbdSize, $iBsize, $iPpsCnt): void
+ {
+ $FILE = $this->fileHandle;
+ // Calculate Basic Setting
+ $iBbCnt = $this->bigBlockSize / OLE::OLE_LONG_INT_SIZE;
+ $i1stBdL = ($this->bigBlockSize - 0x4C) / OLE::OLE_LONG_INT_SIZE;
+
+ $iBdExL = 0;
+ $iAll = $iBsize + $iPpsCnt + $iSbdSize;
+ $iAllW = $iAll;
+ $iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt) ? 1 : 0);
+ $iBdCnt = floor(($iAll + $iBdCntW) / $iBbCnt) + ((($iAllW + $iBdCntW) % $iBbCnt) ? 1 : 0);
+ // Calculate BD count
+ if ($iBdCnt > $i1stBdL) {
+ while (1) {
+ ++$iBdExL;
+ ++$iAllW;
+ $iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt) ? 1 : 0);
+ $iBdCnt = floor(($iAllW + $iBdCntW) / $iBbCnt) + ((($iAllW + $iBdCntW) % $iBbCnt) ? 1 : 0);
+ if ($iBdCnt <= ($iBdExL * $iBbCnt + $i1stBdL)) {
+ break;
+ }
+ }
+ }
+
+ // Making BD
+ // Set for SBD
+ if ($iSbdSize > 0) {
+ for ($i = 0; $i < ($iSbdSize - 1); ++$i) {
+ fwrite($FILE, pack('V', $i + 1));
+ }
+ fwrite($FILE, pack('V', -2));
+ }
+ // Set for B
+ for ($i = 0; $i < ($iBsize - 1); ++$i) {
+ fwrite($FILE, pack('V', $i + $iSbdSize + 1));
+ }
+ fwrite($FILE, pack('V', -2));
+
+ // Set for PPS
+ for ($i = 0; $i < ($iPpsCnt - 1); ++$i) {
+ fwrite($FILE, pack('V', $i + $iSbdSize + $iBsize + 1));
+ }
+ fwrite($FILE, pack('V', -2));
+ // Set for BBD itself ( 0xFFFFFFFD : BBD)
+ for ($i = 0; $i < $iBdCnt; ++$i) {
+ fwrite($FILE, pack('V', 0xFFFFFFFD));
+ }
+ // Set for ExtraBDList
+ for ($i = 0; $i < $iBdExL; ++$i) {
+ fwrite($FILE, pack('V', 0xFFFFFFFC));
+ }
+ // Adjust for Block
+ if (($iAllW + $iBdCnt) % $iBbCnt) {
+ $iBlock = ($iBbCnt - (($iAllW + $iBdCnt) % $iBbCnt));
+ for ($i = 0; $i < $iBlock; ++$i) {
+ fwrite($FILE, pack('V', -1));
+ }
+ }
+ // Extra BDList
+ if ($iBdCnt > $i1stBdL) {
+ $iN = 0;
+ $iNb = 0;
+ for ($i = $i1stBdL; $i < $iBdCnt; $i++, ++$iN) {
+ if ($iN >= ($iBbCnt - 1)) {
+ $iN = 0;
+ ++$iNb;
+ fwrite($FILE, pack('V', $iAll + $iBdCnt + $iNb));
+ }
+ fwrite($FILE, pack('V', $iBsize + $iSbdSize + $iPpsCnt + $i));
+ }
+ if (($iBdCnt - $i1stBdL) % ($iBbCnt - 1)) {
+ $iB = ($iBbCnt - 1) - (($iBdCnt - $i1stBdL) % ($iBbCnt - 1));
+ for ($i = 0; $i < $iB; ++$i) {
+ fwrite($FILE, pack('V', -1));
+ }
+ }
+ fwrite($FILE, pack('V', -2));
+ }
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLERead.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLERead.php
new file mode 100644
index 0000000..16b00bb
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/OLERead.php
@@ -0,0 +1,350 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use PhpOffice\PhpSpreadsheet\Reader\Exception as ReaderException;
+
+class OLERead
+{
+ private $data = '';
+
+ // Size of a sector = 512 bytes
+ const BIG_BLOCK_SIZE = 0x200;
+
+ // Size of a short sector = 64 bytes
+ const SMALL_BLOCK_SIZE = 0x40;
+
+ // Size of a directory entry always = 128 bytes
+ const PROPERTY_STORAGE_BLOCK_SIZE = 0x80;
+
+ // Minimum size of a standard stream = 4096 bytes, streams smaller than this are stored as short streams
+ const SMALL_BLOCK_THRESHOLD = 0x1000;
+
+ // header offsets
+ const NUM_BIG_BLOCK_DEPOT_BLOCKS_POS = 0x2c;
+ const ROOT_START_BLOCK_POS = 0x30;
+ const SMALL_BLOCK_DEPOT_BLOCK_POS = 0x3c;
+ const EXTENSION_BLOCK_POS = 0x44;
+ const NUM_EXTENSION_BLOCK_POS = 0x48;
+ const BIG_BLOCK_DEPOT_BLOCKS_POS = 0x4c;
+
+ // property storage offsets (directory offsets)
+ const SIZE_OF_NAME_POS = 0x40;
+ const TYPE_POS = 0x42;
+ const START_BLOCK_POS = 0x74;
+ const SIZE_POS = 0x78;
+
+ public $wrkbook;
+
+ public $summaryInformation;
+
+ public $documentSummaryInformation;
+
+ /**
+ * @var int
+ */
+ private $numBigBlockDepotBlocks;
+
+ /**
+ * @var int
+ */
+ private $rootStartBlock;
+
+ /**
+ * @var int
+ */
+ private $sbdStartBlock;
+
+ /**
+ * @var int
+ */
+ private $extensionBlock;
+
+ /**
+ * @var int
+ */
+ private $numExtensionBlocks;
+
+ /**
+ * @var string
+ */
+ private $bigBlockChain;
+
+ /**
+ * @var string
+ */
+ private $smallBlockChain;
+
+ /**
+ * @var string
+ */
+ private $entry;
+
+ /**
+ * @var int
+ */
+ private $rootentry;
+
+ /**
+ * @var array
+ */
+ private $props = [];
+
+ /**
+ * Read the file.
+ *
+ * @param $pFilename string Filename
+ */
+ public function read($pFilename): void
+ {
+ File::assertFile($pFilename);
+
+ // Get the file identifier
+ // Don't bother reading the whole file until we know it's a valid OLE file
+ $this->data = file_get_contents($pFilename, false, null, 0, 8);
+
+ // Check OLE identifier
+ $identifierOle = pack('CCCCCCCC', 0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1, 0x1a, 0xe1);
+ if ($this->data != $identifierOle) {
+ throw new ReaderException('The filename ' . $pFilename . ' is not recognised as an OLE file');
+ }
+
+ // Get the file data
+ $this->data = file_get_contents($pFilename);
+
+ // Total number of sectors used for the SAT
+ $this->numBigBlockDepotBlocks = self::getInt4d($this->data, self::NUM_BIG_BLOCK_DEPOT_BLOCKS_POS);
+
+ // SecID of the first sector of the directory stream
+ $this->rootStartBlock = self::getInt4d($this->data, self::ROOT_START_BLOCK_POS);
+
+ // SecID of the first sector of the SSAT (or -2 if not extant)
+ $this->sbdStartBlock = self::getInt4d($this->data, self::SMALL_BLOCK_DEPOT_BLOCK_POS);
+
+ // SecID of the first sector of the MSAT (or -2 if no additional sectors are used)
+ $this->extensionBlock = self::getInt4d($this->data, self::EXTENSION_BLOCK_POS);
+
+ // Total number of sectors used by MSAT
+ $this->numExtensionBlocks = self::getInt4d($this->data, self::NUM_EXTENSION_BLOCK_POS);
+
+ $bigBlockDepotBlocks = [];
+ $pos = self::BIG_BLOCK_DEPOT_BLOCKS_POS;
+
+ $bbdBlocks = $this->numBigBlockDepotBlocks;
+
+ if ($this->numExtensionBlocks != 0) {
+ $bbdBlocks = (self::BIG_BLOCK_SIZE - self::BIG_BLOCK_DEPOT_BLOCKS_POS) / 4;
+ }
+
+ for ($i = 0; $i < $bbdBlocks; ++$i) {
+ $bigBlockDepotBlocks[$i] = self::getInt4d($this->data, $pos);
+ $pos += 4;
+ }
+
+ for ($j = 0; $j < $this->numExtensionBlocks; ++$j) {
+ $pos = ($this->extensionBlock + 1) * self::BIG_BLOCK_SIZE;
+ $blocksToRead = min($this->numBigBlockDepotBlocks - $bbdBlocks, self::BIG_BLOCK_SIZE / 4 - 1);
+
+ for ($i = $bbdBlocks; $i < $bbdBlocks + $blocksToRead; ++$i) {
+ $bigBlockDepotBlocks[$i] = self::getInt4d($this->data, $pos);
+ $pos += 4;
+ }
+
+ $bbdBlocks += $blocksToRead;
+ if ($bbdBlocks < $this->numBigBlockDepotBlocks) {
+ $this->extensionBlock = self::getInt4d($this->data, $pos);
+ }
+ }
+
+ $pos = 0;
+ $this->bigBlockChain = '';
+ $bbs = self::BIG_BLOCK_SIZE / 4;
+ for ($i = 0; $i < $this->numBigBlockDepotBlocks; ++$i) {
+ $pos = ($bigBlockDepotBlocks[$i] + 1) * self::BIG_BLOCK_SIZE;
+
+ $this->bigBlockChain .= substr($this->data, $pos, 4 * $bbs);
+ $pos += 4 * $bbs;
+ }
+
+ $pos = 0;
+ $sbdBlock = $this->sbdStartBlock;
+ $this->smallBlockChain = '';
+ while ($sbdBlock != -2) {
+ $pos = ($sbdBlock + 1) * self::BIG_BLOCK_SIZE;
+
+ $this->smallBlockChain .= substr($this->data, $pos, 4 * $bbs);
+ $pos += 4 * $bbs;
+
+ $sbdBlock = self::getInt4d($this->bigBlockChain, $sbdBlock * 4);
+ }
+
+ // read the directory stream
+ $block = $this->rootStartBlock;
+ $this->entry = $this->readData($block);
+
+ $this->readPropertySets();
+ }
+
+ /**
+ * Extract binary stream data.
+ *
+ * @param int $stream
+ *
+ * @return string
+ */
+ public function getStream($stream)
+ {
+ if ($stream === null) {
+ return null;
+ }
+
+ $streamData = '';
+
+ if ($this->props[$stream]['size'] < self::SMALL_BLOCK_THRESHOLD) {
+ $rootdata = $this->readData($this->props[$this->rootentry]['startBlock']);
+
+ $block = $this->props[$stream]['startBlock'];
+
+ while ($block != -2) {
+ $pos = $block * self::SMALL_BLOCK_SIZE;
+ $streamData .= substr($rootdata, $pos, self::SMALL_BLOCK_SIZE);
+
+ $block = self::getInt4d($this->smallBlockChain, $block * 4);
+ }
+
+ return $streamData;
+ }
+ $numBlocks = $this->props[$stream]['size'] / self::BIG_BLOCK_SIZE;
+ if ($this->props[$stream]['size'] % self::BIG_BLOCK_SIZE != 0) {
+ ++$numBlocks;
+ }
+
+ if ($numBlocks == 0) {
+ return '';
+ }
+
+ $block = $this->props[$stream]['startBlock'];
+
+ while ($block != -2) {
+ $pos = ($block + 1) * self::BIG_BLOCK_SIZE;
+ $streamData .= substr($this->data, $pos, self::BIG_BLOCK_SIZE);
+ $block = self::getInt4d($this->bigBlockChain, $block * 4);
+ }
+
+ return $streamData;
+ }
+
+ /**
+ * Read a standard stream (by joining sectors using information from SAT).
+ *
+ * @param int $bl Sector ID where the stream starts
+ *
+ * @return string Data for standard stream
+ */
+ private function readData($bl)
+ {
+ $block = $bl;
+ $data = '';
+
+ while ($block != -2) {
+ $pos = ($block + 1) * self::BIG_BLOCK_SIZE;
+ $data .= substr($this->data, $pos, self::BIG_BLOCK_SIZE);
+ $block = self::getInt4d($this->bigBlockChain, $block * 4);
+ }
+
+ return $data;
+ }
+
+ /**
+ * Read entries in the directory stream.
+ */
+ private function readPropertySets(): void
+ {
+ $offset = 0;
+
+ // loop through entires, each entry is 128 bytes
+ $entryLen = strlen($this->entry);
+ while ($offset < $entryLen) {
+ // entry data (128 bytes)
+ $d = substr($this->entry, $offset, self::PROPERTY_STORAGE_BLOCK_SIZE);
+
+ // size in bytes of name
+ $nameSize = ord($d[self::SIZE_OF_NAME_POS]) | (ord($d[self::SIZE_OF_NAME_POS + 1]) << 8);
+
+ // type of entry
+ $type = ord($d[self::TYPE_POS]);
+
+ // sectorID of first sector or short sector, if this entry refers to a stream (the case with workbook)
+ // sectorID of first sector of the short-stream container stream, if this entry is root entry
+ $startBlock = self::getInt4d($d, self::START_BLOCK_POS);
+
+ $size = self::getInt4d($d, self::SIZE_POS);
+
+ $name = str_replace("\x00", '', substr($d, 0, $nameSize));
+
+ $this->props[] = [
+ 'name' => $name,
+ 'type' => $type,
+ 'startBlock' => $startBlock,
+ 'size' => $size,
+ ];
+
+ // tmp helper to simplify checks
+ $upName = strtoupper($name);
+
+ // Workbook directory entry (BIFF5 uses Book, BIFF8 uses Workbook)
+ if (($upName === 'WORKBOOK') || ($upName === 'BOOK')) {
+ $this->wrkbook = count($this->props) - 1;
+ } elseif ($upName === 'ROOT ENTRY' || $upName === 'R') {
+ // Root entry
+ $this->rootentry = count($this->props) - 1;
+ }
+
+ // Summary information
+ if ($name == chr(5) . 'SummaryInformation') {
+ $this->summaryInformation = count($this->props) - 1;
+ }
+
+ // Additional Document Summary information
+ if ($name == chr(5) . 'DocumentSummaryInformation') {
+ $this->documentSummaryInformation = count($this->props) - 1;
+ }
+
+ $offset += self::PROPERTY_STORAGE_BLOCK_SIZE;
+ }
+ }
+
+ /**
+ * Read 4 bytes of data at specified position.
+ *
+ * @param string $data
+ * @param int $pos
+ *
+ * @return int
+ */
+ private static function getInt4d($data, $pos)
+ {
+ if ($pos < 0) {
+ // Invalid position
+ throw new ReaderException('Parameter pos=' . $pos . ' is invalid.');
+ }
+
+ $len = strlen($data);
+ if ($len < $pos + 4) {
+ $data .= str_repeat("\0", $pos + 4 - $len);
+ }
+
+ // FIX: represent numbers correctly on 64-bit system
+ // http://sourceforge.net/tracker/index.php?func=detail&aid=1487372&group_id=99160&atid=623334
+ // Changed by Andreas Rehm 2006 to ensure correct result of the <<24 block on 32 and 64bit systems
+ $_or_24 = ord($data[$pos + 3]);
+ if ($_or_24 >= 128) {
+ // negative number
+ $_ord_24 = -abs((256 - $_or_24) << 24);
+ } else {
+ $_ord_24 = ($_or_24 & 127) << 24;
+ }
+
+ return ord($data[$pos]) | (ord($data[$pos + 1]) << 8) | (ord($data[$pos + 2]) << 16) | $_ord_24;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/PasswordHasher.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/PasswordHasher.php
new file mode 100644
index 0000000..894503e
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/PasswordHasher.php
@@ -0,0 +1,100 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use PhpOffice\PhpSpreadsheet\Exception;
+use PhpOffice\PhpSpreadsheet\Worksheet\Protection;
+
+class PasswordHasher
+{
+ /**
+ * Get algorithm name for PHP.
+ */
+ private static function getAlgorithm(string $algorithmName): string
+ {
+ if (!$algorithmName) {
+ return '';
+ }
+
+ // Mapping between algorithm name in Excel and algorithm name in PHP
+ $mapping = [
+ Protection::ALGORITHM_MD2 => 'md2',
+ Protection::ALGORITHM_MD4 => 'md4',
+ Protection::ALGORITHM_MD5 => 'md5',
+ Protection::ALGORITHM_SHA_1 => 'sha1',
+ Protection::ALGORITHM_SHA_256 => 'sha256',
+ Protection::ALGORITHM_SHA_384 => 'sha384',
+ Protection::ALGORITHM_SHA_512 => 'sha512',
+ Protection::ALGORITHM_RIPEMD_128 => 'ripemd128',
+ Protection::ALGORITHM_RIPEMD_160 => 'ripemd160',
+ Protection::ALGORITHM_WHIRLPOOL => 'whirlpool',
+ ];
+
+ if (array_key_exists($algorithmName, $mapping)) {
+ return $mapping[$algorithmName];
+ }
+
+ throw new Exception('Unsupported password algorithm: ' . $algorithmName);
+ }
+
+ /**
+ * Create a password hash from a given string.
+ *
+ * This method is based on the algorithm provided by
+ * Daniel Rentz of OpenOffice and the PEAR package
+ * Spreadsheet_Excel_Writer by Xavier Noguer <xnoguer@rezebra.com>.
+ *
+ * @param string $pPassword Password to hash
+ */
+ private static function defaultHashPassword(string $pPassword): string
+ {
+ $password = 0x0000;
+ $charPos = 1; // char position
+
+ // split the plain text password in its component characters
+ $chars = preg_split('//', $pPassword, -1, PREG_SPLIT_NO_EMPTY);
+ foreach ($chars as $char) {
+ $value = ord($char) << $charPos++; // shifted ASCII value
+ $rotated_bits = $value >> 15; // rotated bits beyond bit 15
+ $value &= 0x7fff; // first 15 bits
+ $password ^= ($value | $rotated_bits);
+ }
+
+ $password ^= strlen($pPassword);
+ $password ^= 0xCE4B;
+
+ return strtoupper(dechex($password));
+ }
+
+ /**
+ * Create a password hash from a given string by a specific algorithm.
+ *
+ * 2.4.2.4 ISO Write Protection Method
+ *
+ * @see https://docs.microsoft.com/en-us/openspecs/office_file_formats/ms-offcrypto/1357ea58-646e-4483-92ef-95d718079d6f
+ *
+ * @param string $password Password to hash
+ * @param string $algorithm Hash algorithm used to compute the password hash value
+ * @param string $salt Pseudorandom string
+ * @param int $spinCount Number of times to iterate on a hash of a password
+ *
+ * @return string Hashed password
+ */
+ public static function hashPassword(string $password, string $algorithm = '', string $salt = '', int $spinCount = 10000): string
+ {
+ $phpAlgorithm = self::getAlgorithm($algorithm);
+ if (!$phpAlgorithm) {
+ return self::defaultHashPassword($password);
+ }
+
+ $saltValue = base64_decode($salt);
+ $encodedPassword = mb_convert_encoding($password, 'UCS-2LE', 'UTF-8');
+
+ $hashValue = hash($phpAlgorithm, $saltValue . $encodedPassword, true);
+ for ($i = 0; $i < $spinCount; ++$i) {
+ $hashValue = hash($phpAlgorithm, $hashValue . pack('L', $i), true);
+ }
+
+ return base64_encode($hashValue);
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/StringHelper.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/StringHelper.php
new file mode 100644
index 0000000..c60c194
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/StringHelper.php
@@ -0,0 +1,722 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
+
+class StringHelper
+{
+ /** Constants */
+ /** Regular Expressions */
+ // Fraction
+ const STRING_REGEXP_FRACTION = '(-?)(\d+)\s+(\d+\/\d+)';
+
+ /**
+ * Control characters array.
+ *
+ * @var string[]
+ */
+ private static $controlCharacters = [];
+
+ /**
+ * SYLK Characters array.
+ *
+ * @var array
+ */
+ private static $SYLKCharacters = [];
+
+ /**
+ * Decimal separator.
+ *
+ * @var string
+ */
+ private static $decimalSeparator;
+
+ /**
+ * Thousands separator.
+ *
+ * @var string
+ */
+ private static $thousandsSeparator;
+
+ /**
+ * Currency code.
+ *
+ * @var string
+ */
+ private static $currencyCode;
+
+ /**
+ * Is iconv extension avalable?
+ *
+ * @var bool
+ */
+ private static $isIconvEnabled;
+
+ /**
+ * iconv options.
+ *
+ * @var string
+ */
+ private static $iconvOptions = '//IGNORE//TRANSLIT';
+
+ /**
+ * Build control characters array.
+ */
+ private static function buildControlCharacters(): void
+ {
+ for ($i = 0; $i <= 31; ++$i) {
+ if ($i != 9 && $i != 10 && $i != 13) {
+ $find = '_x' . sprintf('%04s', strtoupper(dechex($i))) . '_';
+ $replace = chr($i);
+ self::$controlCharacters[$find] = $replace;
+ }
+ }
+ }
+
+ /**
+ * Build SYLK characters array.
+ */
+ private static function buildSYLKCharacters(): void
+ {
+ self::$SYLKCharacters = [
+ "\x1B 0" => chr(0),
+ "\x1B 1" => chr(1),
+ "\x1B 2" => chr(2),
+ "\x1B 3" => chr(3),
+ "\x1B 4" => chr(4),
+ "\x1B 5" => chr(5),
+ "\x1B 6" => chr(6),
+ "\x1B 7" => chr(7),
+ "\x1B 8" => chr(8),
+ "\x1B 9" => chr(9),
+ "\x1B :" => chr(10),
+ "\x1B ;" => chr(11),
+ "\x1B <" => chr(12),
+ "\x1B =" => chr(13),
+ "\x1B >" => chr(14),
+ "\x1B ?" => chr(15),
+ "\x1B!0" => chr(16),
+ "\x1B!1" => chr(17),
+ "\x1B!2" => chr(18),
+ "\x1B!3" => chr(19),
+ "\x1B!4" => chr(20),
+ "\x1B!5" => chr(21),
+ "\x1B!6" => chr(22),
+ "\x1B!7" => chr(23),
+ "\x1B!8" => chr(24),
+ "\x1B!9" => chr(25),
+ "\x1B!:" => chr(26),
+ "\x1B!;" => chr(27),
+ "\x1B!<" => chr(28),
+ "\x1B!=" => chr(29),
+ "\x1B!>" => chr(30),
+ "\x1B!?" => chr(31),
+ "\x1B'?" => chr(127),
+ "\x1B(0" => '€', // 128 in CP1252
+ "\x1B(2" => '‚', // 130 in CP1252
+ "\x1B(3" => 'ƒ', // 131 in CP1252
+ "\x1B(4" => '„', // 132 in CP1252
+ "\x1B(5" => '…', // 133 in CP1252
+ "\x1B(6" => '†', // 134 in CP1252
+ "\x1B(7" => '‡', // 135 in CP1252
+ "\x1B(8" => 'ˆ', // 136 in CP1252
+ "\x1B(9" => '‰', // 137 in CP1252
+ "\x1B(:" => 'Š', // 138 in CP1252
+ "\x1B(;" => '‹', // 139 in CP1252
+ "\x1BNj" => 'Œ', // 140 in CP1252
+ "\x1B(>" => 'Ž', // 142 in CP1252
+ "\x1B)1" => '‘', // 145 in CP1252
+ "\x1B)2" => '’', // 146 in CP1252
+ "\x1B)3" => '“', // 147 in CP1252
+ "\x1B)4" => '”', // 148 in CP1252
+ "\x1B)5" => '•', // 149 in CP1252
+ "\x1B)6" => '–', // 150 in CP1252
+ "\x1B)7" => '—', // 151 in CP1252
+ "\x1B)8" => '˜', // 152 in CP1252
+ "\x1B)9" => '™', // 153 in CP1252
+ "\x1B):" => 'š', // 154 in CP1252
+ "\x1B);" => '›', // 155 in CP1252
+ "\x1BNz" => 'œ', // 156 in CP1252
+ "\x1B)>" => 'ž', // 158 in CP1252
+ "\x1B)?" => 'Ÿ', // 159 in CP1252
+ "\x1B*0" => ' ', // 160 in CP1252
+ "\x1BN!" => '¡', // 161 in CP1252
+ "\x1BN\"" => '¢', // 162 in CP1252
+ "\x1BN#" => '£', // 163 in CP1252
+ "\x1BN(" => '¤', // 164 in CP1252
+ "\x1BN%" => '¥', // 165 in CP1252
+ "\x1B*6" => '¦', // 166 in CP1252
+ "\x1BN'" => '§', // 167 in CP1252
+ "\x1BNH " => '¨', // 168 in CP1252
+ "\x1BNS" => '©', // 169 in CP1252
+ "\x1BNc" => 'ª', // 170 in CP1252
+ "\x1BN+" => '«', // 171 in CP1252
+ "\x1B*<" => '¬', // 172 in CP1252
+ "\x1B*=" => '­', // 173 in CP1252
+ "\x1BNR" => '®', // 174 in CP1252
+ "\x1B*?" => '¯', // 175 in CP1252
+ "\x1BN0" => '°', // 176 in CP1252
+ "\x1BN1" => '±', // 177 in CP1252
+ "\x1BN2" => '²', // 178 in CP1252
+ "\x1BN3" => '³', // 179 in CP1252
+ "\x1BNB " => '´', // 180 in CP1252
+ "\x1BN5" => 'µ', // 181 in CP1252
+ "\x1BN6" => '¶', // 182 in CP1252
+ "\x1BN7" => '·', // 183 in CP1252
+ "\x1B+8" => '¸', // 184 in CP1252
+ "\x1BNQ" => '¹', // 185 in CP1252
+ "\x1BNk" => 'º', // 186 in CP1252
+ "\x1BN;" => '»', // 187 in CP1252
+ "\x1BN<" => '¼', // 188 in CP1252
+ "\x1BN=" => '½', // 189 in CP1252
+ "\x1BN>" => '¾', // 190 in CP1252
+ "\x1BN?" => '¿', // 191 in CP1252
+ "\x1BNAA" => 'À', // 192 in CP1252
+ "\x1BNBA" => 'Á', // 193 in CP1252
+ "\x1BNCA" => 'Â', // 194 in CP1252
+ "\x1BNDA" => 'Ã', // 195 in CP1252
+ "\x1BNHA" => 'Ä', // 196 in CP1252
+ "\x1BNJA" => 'Å', // 197 in CP1252
+ "\x1BNa" => 'Æ', // 198 in CP1252
+ "\x1BNKC" => 'Ç', // 199 in CP1252
+ "\x1BNAE" => 'È', // 200 in CP1252
+ "\x1BNBE" => 'É', // 201 in CP1252
+ "\x1BNCE" => 'Ê', // 202 in CP1252
+ "\x1BNHE" => 'Ë', // 203 in CP1252
+ "\x1BNAI" => 'Ì', // 204 in CP1252
+ "\x1BNBI" => 'Í', // 205 in CP1252
+ "\x1BNCI" => 'Î', // 206 in CP1252
+ "\x1BNHI" => 'Ï', // 207 in CP1252
+ "\x1BNb" => 'Ð', // 208 in CP1252
+ "\x1BNDN" => 'Ñ', // 209 in CP1252
+ "\x1BNAO" => 'Ò', // 210 in CP1252
+ "\x1BNBO" => 'Ó', // 211 in CP1252
+ "\x1BNCO" => 'Ô', // 212 in CP1252
+ "\x1BNDO" => 'Õ', // 213 in CP1252
+ "\x1BNHO" => 'Ö', // 214 in CP1252
+ "\x1B-7" => '×', // 215 in CP1252
+ "\x1BNi" => 'Ø', // 216 in CP1252
+ "\x1BNAU" => 'Ù', // 217 in CP1252
+ "\x1BNBU" => 'Ú', // 218 in CP1252
+ "\x1BNCU" => 'Û', // 219 in CP1252
+ "\x1BNHU" => 'Ü', // 220 in CP1252
+ "\x1B-=" => 'Ý', // 221 in CP1252
+ "\x1BNl" => 'Þ', // 222 in CP1252
+ "\x1BN{" => 'ß', // 223 in CP1252
+ "\x1BNAa" => 'à', // 224 in CP1252
+ "\x1BNBa" => 'á', // 225 in CP1252
+ "\x1BNCa" => 'â', // 226 in CP1252
+ "\x1BNDa" => 'ã', // 227 in CP1252
+ "\x1BNHa" => 'ä', // 228 in CP1252
+ "\x1BNJa" => 'å', // 229 in CP1252
+ "\x1BNq" => 'æ', // 230 in CP1252
+ "\x1BNKc" => 'ç', // 231 in CP1252
+ "\x1BNAe" => 'è', // 232 in CP1252
+ "\x1BNBe" => 'é', // 233 in CP1252
+ "\x1BNCe" => 'ê', // 234 in CP1252
+ "\x1BNHe" => 'ë', // 235 in CP1252
+ "\x1BNAi" => 'ì', // 236 in CP1252
+ "\x1BNBi" => 'í', // 237 in CP1252
+ "\x1BNCi" => 'î', // 238 in CP1252
+ "\x1BNHi" => 'ï', // 239 in CP1252
+ "\x1BNs" => 'ð', // 240 in CP1252
+ "\x1BNDn" => 'ñ', // 241 in CP1252
+ "\x1BNAo" => 'ò', // 242 in CP1252
+ "\x1BNBo" => 'ó', // 243 in CP1252
+ "\x1BNCo" => 'ô', // 244 in CP1252
+ "\x1BNDo" => 'õ', // 245 in CP1252
+ "\x1BNHo" => 'ö', // 246 in CP1252
+ "\x1B/7" => '÷', // 247 in CP1252
+ "\x1BNy" => 'ø', // 248 in CP1252
+ "\x1BNAu" => 'ù', // 249 in CP1252
+ "\x1BNBu" => 'ú', // 250 in CP1252
+ "\x1BNCu" => 'û', // 251 in CP1252
+ "\x1BNHu" => 'ü', // 252 in CP1252
+ "\x1B/=" => 'ý', // 253 in CP1252
+ "\x1BN|" => 'þ', // 254 in CP1252
+ "\x1BNHy" => 'ÿ', // 255 in CP1252
+ ];
+ }
+
+ /**
+ * Get whether iconv extension is available.
+ *
+ * @return bool
+ */
+ public static function getIsIconvEnabled()
+ {
+ if (isset(self::$isIconvEnabled)) {
+ return self::$isIconvEnabled;
+ }
+
+ // Assume no problems with iconv
+ self::$isIconvEnabled = true;
+
+ // Fail if iconv doesn't exist
+ if (!function_exists('iconv')) {
+ self::$isIconvEnabled = false;
+ } elseif (!@iconv('UTF-8', 'UTF-16LE', 'x')) {
+ // Sometimes iconv is not working, and e.g. iconv('UTF-8', 'UTF-16LE', 'x') just returns false,
+ self::$isIconvEnabled = false;
+ } elseif (defined('PHP_OS') && @stristr(PHP_OS, 'AIX') && defined('ICONV_IMPL') && (@strcasecmp(ICONV_IMPL, 'unknown') == 0) && defined('ICONV_VERSION') && (@strcasecmp(ICONV_VERSION, 'unknown') == 0)) {
+ // CUSTOM: IBM AIX iconv() does not work
+ self::$isIconvEnabled = false;
+ }
+
+ // Deactivate iconv default options if they fail (as seen on IMB i)
+ if (self::$isIconvEnabled && !@iconv('UTF-8', 'UTF-16LE' . self::$iconvOptions, 'x')) {
+ self::$iconvOptions = '';
+ }
+
+ return self::$isIconvEnabled;
+ }
+
+ private static function buildCharacterSets(): void
+ {
+ if (empty(self::$controlCharacters)) {
+ self::buildControlCharacters();
+ }
+
+ if (empty(self::$SYLKCharacters)) {
+ self::buildSYLKCharacters();
+ }
+ }
+
+ /**
+ * Convert from OpenXML escaped control character to PHP control character.
+ *
+ * Excel 2007 team:
+ * ----------------
+ * That's correct, control characters are stored directly in the shared-strings table.
+ * We do encode characters that cannot be represented in XML using the following escape sequence:
+ * _xHHHH_ where H represents a hexadecimal character in the character's value...
+ * So you could end up with something like _x0008_ in a string (either in a cell value (<v>)
+ * element or in the shared string <t> element.
+ *
+ * @param string $value Value to unescape
+ *
+ * @return string
+ */
+ public static function controlCharacterOOXML2PHP($value)
+ {
+ self::buildCharacterSets();
+
+ return str_replace(array_keys(self::$controlCharacters), array_values(self::$controlCharacters), $value);
+ }
+
+ /**
+ * Convert from PHP control character to OpenXML escaped control character.
+ *
+ * Excel 2007 team:
+ * ----------------
+ * That's correct, control characters are stored directly in the shared-strings table.
+ * We do encode characters that cannot be represented in XML using the following escape sequence:
+ * _xHHHH_ where H represents a hexadecimal character in the character's value...
+ * So you could end up with something like _x0008_ in a string (either in a cell value (<v>)
+ * element or in the shared string <t> element.
+ *
+ * @param string $value Value to escape
+ *
+ * @return string
+ */
+ public static function controlCharacterPHP2OOXML($value)
+ {
+ self::buildCharacterSets();
+
+ return str_replace(array_values(self::$controlCharacters), array_keys(self::$controlCharacters), $value);
+ }
+
+ /**
+ * Try to sanitize UTF8, stripping invalid byte sequences. Not perfect. Does not surrogate characters.
+ *
+ * @param string $value
+ *
+ * @return string
+ */
+ public static function sanitizeUTF8($value)
+ {
+ if (self::getIsIconvEnabled()) {
+ $value = @iconv('UTF-8', 'UTF-8', $value);
+
+ return $value;
+ }
+
+ $value = mb_convert_encoding($value, 'UTF-8', 'UTF-8');
+
+ return $value;
+ }
+
+ /**
+ * Check if a string contains UTF8 data.
+ *
+ * @param string $value
+ *
+ * @return bool
+ */
+ public static function isUTF8($value)
+ {
+ return $value === '' || preg_match('/^./su', $value) === 1;
+ }
+
+ /**
+ * Formats a numeric value as a string for output in various output writers forcing
+ * point as decimal separator in case locale is other than English.
+ *
+ * @param mixed $value
+ *
+ * @return string
+ */
+ public static function formatNumber($value)
+ {
+ if (is_float($value)) {
+ return str_replace(',', '.', $value);
+ }
+
+ return (string) $value;
+ }
+
+ /**
+ * Converts a UTF-8 string into BIFF8 Unicode string data (8-bit string length)
+ * Writes the string using uncompressed notation, no rich text, no Asian phonetics
+ * If mbstring extension is not available, ASCII is assumed, and compressed notation is used
+ * although this will give wrong results for non-ASCII strings
+ * see OpenOffice.org's Documentation of the Microsoft Excel File Format, sect. 2.5.3.
+ *
+ * @param string $value UTF-8 encoded string
+ * @param mixed[] $arrcRuns Details of rich text runs in $value
+ *
+ * @return string
+ */
+ public static function UTF8toBIFF8UnicodeShort($value, $arrcRuns = [])
+ {
+ // character count
+ $ln = self::countCharacters($value, 'UTF-8');
+ // option flags
+ if (empty($arrcRuns)) {
+ $data = pack('CC', $ln, 0x0001);
+ // characters
+ $data .= self::convertEncoding($value, 'UTF-16LE', 'UTF-8');
+ } else {
+ $data = pack('vC', $ln, 0x09);
+ $data .= pack('v', count($arrcRuns));
+ // characters
+ $data .= self::convertEncoding($value, 'UTF-16LE', 'UTF-8');
+ foreach ($arrcRuns as $cRun) {
+ $data .= pack('v', $cRun['strlen']);
+ $data .= pack('v', $cRun['fontidx']);
+ }
+ }
+
+ return $data;
+ }
+
+ /**
+ * Converts a UTF-8 string into BIFF8 Unicode string data (16-bit string length)
+ * Writes the string using uncompressed notation, no rich text, no Asian phonetics
+ * If mbstring extension is not available, ASCII is assumed, and compressed notation is used
+ * although this will give wrong results for non-ASCII strings
+ * see OpenOffice.org's Documentation of the Microsoft Excel File Format, sect. 2.5.3.
+ *
+ * @param string $value UTF-8 encoded string
+ *
+ * @return string
+ */
+ public static function UTF8toBIFF8UnicodeLong($value)
+ {
+ // character count
+ $ln = self::countCharacters($value, 'UTF-8');
+
+ // characters
+ $chars = self::convertEncoding($value, 'UTF-16LE', 'UTF-8');
+
+ return pack('vC', $ln, 0x0001) . $chars;
+ }
+
+ /**
+ * Convert string from one encoding to another.
+ *
+ * @param string $value
+ * @param string $to Encoding to convert to, e.g. 'UTF-8'
+ * @param string $from Encoding to convert from, e.g. 'UTF-16LE'
+ *
+ * @return string
+ */
+ public static function convertEncoding($value, $to, $from)
+ {
+ if (self::getIsIconvEnabled()) {
+ $result = iconv($from, $to . self::$iconvOptions, $value);
+ if (false !== $result) {
+ return $result;
+ }
+ }
+
+ return mb_convert_encoding($value, $to, $from);
+ }
+
+ /**
+ * Get character count.
+ *
+ * @param string $value
+ * @param string $enc Encoding
+ *
+ * @return int Character count
+ */
+ public static function countCharacters($value, $enc = 'UTF-8')
+ {
+ return mb_strlen($value, $enc);
+ }
+
+ /**
+ * Get a substring of a UTF-8 encoded string.
+ *
+ * @param string $pValue UTF-8 encoded string
+ * @param int $pStart Start offset
+ * @param int $pLength Maximum number of characters in substring
+ *
+ * @return string
+ */
+ public static function substring($pValue, $pStart, $pLength = 0)
+ {
+ return mb_substr($pValue, $pStart, $pLength, 'UTF-8');
+ }
+
+ /**
+ * Convert a UTF-8 encoded string to upper case.
+ *
+ * @param string $pValue UTF-8 encoded string
+ *
+ * @return string
+ */
+ public static function strToUpper($pValue)
+ {
+ return mb_convert_case($pValue, MB_CASE_UPPER, 'UTF-8');
+ }
+
+ /**
+ * Convert a UTF-8 encoded string to lower case.
+ *
+ * @param string $pValue UTF-8 encoded string
+ *
+ * @return string
+ */
+ public static function strToLower($pValue)
+ {
+ return mb_convert_case($pValue, MB_CASE_LOWER, 'UTF-8');
+ }
+
+ /**
+ * Convert a UTF-8 encoded string to title/proper case
+ * (uppercase every first character in each word, lower case all other characters).
+ *
+ * @param string $pValue UTF-8 encoded string
+ *
+ * @return string
+ */
+ public static function strToTitle($pValue)
+ {
+ return mb_convert_case($pValue, MB_CASE_TITLE, 'UTF-8');
+ }
+
+ public static function mbIsUpper($char)
+ {
+ return mb_strtolower($char, 'UTF-8') != $char;
+ }
+
+ public static function mbStrSplit($string)
+ {
+ // Split at all position not after the start: ^
+ // and not before the end: $
+ return preg_split('/(?<!^)(?!$)/u', $string);
+ }
+
+ /**
+ * Reverse the case of a string, so that all uppercase characters become lowercase
+ * and all lowercase characters become uppercase.
+ *
+ * @param string $pValue UTF-8 encoded string
+ *
+ * @return string
+ */
+ public static function strCaseReverse($pValue)
+ {
+ $characters = self::mbStrSplit($pValue);
+ foreach ($characters as &$character) {
+ if (self::mbIsUpper($character)) {
+ $character = mb_strtolower($character, 'UTF-8');
+ } else {
+ $character = mb_strtoupper($character, 'UTF-8');
+ }
+ }
+
+ return implode('', $characters);
+ }
+
+ /**
+ * Identify whether a string contains a fractional numeric value,
+ * and convert it to a numeric if it is.
+ *
+ * @param string &$operand string value to test
+ *
+ * @return bool
+ */
+ public static function convertToNumberIfFraction(&$operand)
+ {
+ if (preg_match('/^' . self::STRING_REGEXP_FRACTION . '$/i', $operand, $match)) {
+ $sign = ($match[1] == '-') ? '-' : '+';
+ $fractionFormula = '=' . $sign . $match[2] . $sign . $match[3];
+ $operand = Calculation::getInstance()->_calculateFormulaValue($fractionFormula);
+
+ return true;
+ }
+
+ return false;
+ }
+
+ // function convertToNumberIfFraction()
+
+ /**
+ * Get the decimal separator. If it has not yet been set explicitly, try to obtain number
+ * formatting information from locale.
+ *
+ * @return string
+ */
+ public static function getDecimalSeparator()
+ {
+ if (!isset(self::$decimalSeparator)) {
+ $localeconv = localeconv();
+ self::$decimalSeparator = ($localeconv['decimal_point'] != '')
+ ? $localeconv['decimal_point'] : $localeconv['mon_decimal_point'];
+
+ if (self::$decimalSeparator == '') {
+ // Default to .
+ self::$decimalSeparator = '.';
+ }
+ }
+
+ return self::$decimalSeparator;
+ }
+
+ /**
+ * Set the decimal separator. Only used by NumberFormat::toFormattedString()
+ * to format output by \PhpOffice\PhpSpreadsheet\Writer\Html and \PhpOffice\PhpSpreadsheet\Writer\Pdf.
+ *
+ * @param string $pValue Character for decimal separator
+ */
+ public static function setDecimalSeparator($pValue): void
+ {
+ self::$decimalSeparator = $pValue;
+ }
+
+ /**
+ * Get the thousands separator. If it has not yet been set explicitly, try to obtain number
+ * formatting information from locale.
+ *
+ * @return string
+ */
+ public static function getThousandsSeparator()
+ {
+ if (!isset(self::$thousandsSeparator)) {
+ $localeconv = localeconv();
+ self::$thousandsSeparator = ($localeconv['thousands_sep'] != '')
+ ? $localeconv['thousands_sep'] : $localeconv['mon_thousands_sep'];
+
+ if (self::$thousandsSeparator == '') {
+ // Default to .
+ self::$thousandsSeparator = ',';
+ }
+ }
+
+ return self::$thousandsSeparator;
+ }
+
+ /**
+ * Set the thousands separator. Only used by NumberFormat::toFormattedString()
+ * to format output by \PhpOffice\PhpSpreadsheet\Writer\Html and \PhpOffice\PhpSpreadsheet\Writer\Pdf.
+ *
+ * @param string $pValue Character for thousands separator
+ */
+ public static function setThousandsSeparator($pValue): void
+ {
+ self::$thousandsSeparator = $pValue;
+ }
+
+ /**
+ * Get the currency code. If it has not yet been set explicitly, try to obtain the
+ * symbol information from locale.
+ *
+ * @return string
+ */
+ public static function getCurrencyCode()
+ {
+ if (!empty(self::$currencyCode)) {
+ return self::$currencyCode;
+ }
+ self::$currencyCode = '$';
+ $localeconv = localeconv();
+ if (!empty($localeconv['currency_symbol'])) {
+ self::$currencyCode = $localeconv['currency_symbol'];
+
+ return self::$currencyCode;
+ }
+ if (!empty($localeconv['int_curr_symbol'])) {
+ self::$currencyCode = $localeconv['int_curr_symbol'];
+
+ return self::$currencyCode;
+ }
+
+ return self::$currencyCode;
+ }
+
+ /**
+ * Set the currency code. Only used by NumberFormat::toFormattedString()
+ * to format output by \PhpOffice\PhpSpreadsheet\Writer\Html and \PhpOffice\PhpSpreadsheet\Writer\Pdf.
+ *
+ * @param string $pValue Character for currency code
+ */
+ public static function setCurrencyCode($pValue): void
+ {
+ self::$currencyCode = $pValue;
+ }
+
+ /**
+ * Convert SYLK encoded string to UTF-8.
+ *
+ * @param string $pValue
+ *
+ * @return string UTF-8 encoded string
+ */
+ public static function SYLKtoUTF8($pValue)
+ {
+ self::buildCharacterSets();
+
+ // If there is no escape character in the string there is nothing to do
+ if (strpos($pValue, '') === false) {
+ return $pValue;
+ }
+
+ foreach (self::$SYLKCharacters as $k => $v) {
+ $pValue = str_replace($k, $v, $pValue);
+ }
+
+ return $pValue;
+ }
+
+ /**
+ * Retrieve any leading numeric part of a string, or return the full string if no leading numeric
+ * (handles basic integer or float, but not exponent or non decimal).
+ *
+ * @param string $value
+ *
+ * @return mixed string or only the leading numeric part of the string
+ */
+ public static function testStringAsNumeric($value)
+ {
+ if (is_numeric($value)) {
+ return $value;
+ }
+ $v = (float) $value;
+
+ return (is_numeric(substr($value, 0, strlen($v)))) ? $v : $value;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/TimeZone.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/TimeZone.php
new file mode 100644
index 0000000..b57af21
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/TimeZone.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use DateTimeZone;
+use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
+
+class TimeZone
+{
+ /**
+ * Default Timezone used for date/time conversions.
+ *
+ * @var string
+ */
+ protected static $timezone = 'UTC';
+
+ /**
+ * Validate a Timezone name.
+ *
+ * @param string $timezone Time zone (e.g. 'Europe/London')
+ *
+ * @return bool Success or failure
+ */
+ private static function validateTimeZone($timezone)
+ {
+ return in_array($timezone, DateTimeZone::listIdentifiers(DateTimeZone::ALL_WITH_BC));
+ }
+
+ /**
+ * Set the Default Timezone used for date/time conversions.
+ *
+ * @param string $timezone Time zone (e.g. 'Europe/London')
+ *
+ * @return bool Success or failure
+ */
+ public static function setTimeZone($timezone)
+ {
+ if (self::validateTimezone($timezone)) {
+ self::$timezone = $timezone;
+
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Return the Default Timezone used for date/time conversions.
+ *
+ * @return string Timezone (e.g. 'Europe/London')
+ */
+ public static function getTimeZone()
+ {
+ return self::$timezone;
+ }
+
+ /**
+ * Return the Timezone offset used for date/time conversions to/from UST
+ * This requires both the timezone and the calculated date/time to allow for local DST.
+ *
+ * @param string $timezone The timezone for finding the adjustment to UST
+ * @param int $timestamp PHP date/time value
+ *
+ * @return int Number of seconds for timezone adjustment
+ */
+ public static function getTimeZoneAdjustment($timezone, $timestamp)
+ {
+ if ($timezone !== null) {
+ if (!self::validateTimezone($timezone)) {
+ throw new PhpSpreadsheetException('Invalid timezone ' . $timezone);
+ }
+ } else {
+ $timezone = self::$timezone;
+ }
+
+ $objTimezone = new DateTimeZone($timezone);
+ $transitions = $objTimezone->getTransitions($timestamp, $timestamp);
+
+ return (count($transitions) > 0) ? $transitions[0]['offset'] : 0;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/BestFit.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/BestFit.php
new file mode 100644
index 0000000..7d90323
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/BestFit.php
@@ -0,0 +1,463 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Trend;
+
+class BestFit
+{
+ /**
+ * Indicator flag for a calculation error.
+ *
+ * @var bool
+ */
+ protected $error = false;
+
+ /**
+ * Algorithm type to use for best-fit.
+ *
+ * @var string
+ */
+ protected $bestFitType = 'undetermined';
+
+ /**
+ * Number of entries in the sets of x- and y-value arrays.
+ *
+ * @var int
+ */
+ protected $valueCount = 0;
+
+ /**
+ * X-value dataseries of values.
+ *
+ * @var float[]
+ */
+ protected $xValues = [];
+
+ /**
+ * Y-value dataseries of values.
+ *
+ * @var float[]
+ */
+ protected $yValues = [];
+
+ /**
+ * Flag indicating whether values should be adjusted to Y=0.
+ *
+ * @var bool
+ */
+ protected $adjustToZero = false;
+
+ /**
+ * Y-value series of best-fit values.
+ *
+ * @var float[]
+ */
+ protected $yBestFitValues = [];
+
+ protected $goodnessOfFit = 1;
+
+ protected $stdevOfResiduals = 0;
+
+ protected $covariance = 0;
+
+ protected $correlation = 0;
+
+ protected $SSRegression = 0;
+
+ protected $SSResiduals = 0;
+
+ protected $DFResiduals = 0;
+
+ protected $f = 0;
+
+ protected $slope = 0;
+
+ protected $slopeSE = 0;
+
+ protected $intersect = 0;
+
+ protected $intersectSE = 0;
+
+ protected $xOffset = 0;
+
+ protected $yOffset = 0;
+
+ public function getError()
+ {
+ return $this->error;
+ }
+
+ public function getBestFitType()
+ {
+ return $this->bestFitType;
+ }
+
+ /**
+ * Return the Y-Value for a specified value of X.
+ *
+ * @param float $xValue X-Value
+ *
+ * @return bool Y-Value
+ */
+ public function getValueOfYForX($xValue)
+ {
+ return false;
+ }
+
+ /**
+ * Return the X-Value for a specified value of Y.
+ *
+ * @param float $yValue Y-Value
+ *
+ * @return bool X-Value
+ */
+ public function getValueOfXForY($yValue)
+ {
+ return false;
+ }
+
+ /**
+ * Return the original set of X-Values.
+ *
+ * @return float[] X-Values
+ */
+ public function getXValues()
+ {
+ return $this->xValues;
+ }
+
+ /**
+ * Return the Equation of the best-fit line.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return bool
+ */
+ public function getEquation($dp = 0)
+ {
+ return false;
+ }
+
+ /**
+ * Return the Slope of the line.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return float
+ */
+ public function getSlope($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->slope, $dp);
+ }
+
+ return $this->slope;
+ }
+
+ /**
+ * Return the standard error of the Slope.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return float
+ */
+ public function getSlopeSE($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->slopeSE, $dp);
+ }
+
+ return $this->slopeSE;
+ }
+
+ /**
+ * Return the Value of X where it intersects Y = 0.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return float
+ */
+ public function getIntersect($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->intersect, $dp);
+ }
+
+ return $this->intersect;
+ }
+
+ /**
+ * Return the standard error of the Intersect.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return float
+ */
+ public function getIntersectSE($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->intersectSE, $dp);
+ }
+
+ return $this->intersectSE;
+ }
+
+ /**
+ * Return the goodness of fit for this regression.
+ *
+ * @param int $dp Number of places of decimal precision to return
+ *
+ * @return float
+ */
+ public function getGoodnessOfFit($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->goodnessOfFit, $dp);
+ }
+
+ return $this->goodnessOfFit;
+ }
+
+ /**
+ * Return the goodness of fit for this regression.
+ *
+ * @param int $dp Number of places of decimal precision to return
+ *
+ * @return float
+ */
+ public function getGoodnessOfFitPercent($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->goodnessOfFit * 100, $dp);
+ }
+
+ return $this->goodnessOfFit * 100;
+ }
+
+ /**
+ * Return the standard deviation of the residuals for this regression.
+ *
+ * @param int $dp Number of places of decimal precision to return
+ *
+ * @return float
+ */
+ public function getStdevOfResiduals($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->stdevOfResiduals, $dp);
+ }
+
+ return $this->stdevOfResiduals;
+ }
+
+ /**
+ * @param int $dp Number of places of decimal precision to return
+ *
+ * @return float
+ */
+ public function getSSRegression($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->SSRegression, $dp);
+ }
+
+ return $this->SSRegression;
+ }
+
+ /**
+ * @param int $dp Number of places of decimal precision to return
+ *
+ * @return float
+ */
+ public function getSSResiduals($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->SSResiduals, $dp);
+ }
+
+ return $this->SSResiduals;
+ }
+
+ /**
+ * @param int $dp Number of places of decimal precision to return
+ *
+ * @return float
+ */
+ public function getDFResiduals($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->DFResiduals, $dp);
+ }
+
+ return $this->DFResiduals;
+ }
+
+ /**
+ * @param int $dp Number of places of decimal precision to return
+ *
+ * @return float
+ */
+ public function getF($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->f, $dp);
+ }
+
+ return $this->f;
+ }
+
+ /**
+ * @param int $dp Number of places of decimal precision to return
+ *
+ * @return float
+ */
+ public function getCovariance($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->covariance, $dp);
+ }
+
+ return $this->covariance;
+ }
+
+ /**
+ * @param int $dp Number of places of decimal precision to return
+ *
+ * @return float
+ */
+ public function getCorrelation($dp = 0)
+ {
+ if ($dp != 0) {
+ return round($this->correlation, $dp);
+ }
+
+ return $this->correlation;
+ }
+
+ /**
+ * @return float[]
+ */
+ public function getYBestFitValues()
+ {
+ return $this->yBestFitValues;
+ }
+
+ protected function calculateGoodnessOfFit($sumX, $sumY, $sumX2, $sumY2, $sumXY, $meanX, $meanY, $const): void
+ {
+ $SSres = $SScov = $SScor = $SStot = $SSsex = 0.0;
+ foreach ($this->xValues as $xKey => $xValue) {
+ $bestFitY = $this->yBestFitValues[$xKey] = $this->getValueOfYForX($xValue);
+
+ $SSres += ($this->yValues[$xKey] - $bestFitY) * ($this->yValues[$xKey] - $bestFitY);
+ if ($const) {
+ $SStot += ($this->yValues[$xKey] - $meanY) * ($this->yValues[$xKey] - $meanY);
+ } else {
+ $SStot += $this->yValues[$xKey] * $this->yValues[$xKey];
+ }
+ $SScov += ($this->xValues[$xKey] - $meanX) * ($this->yValues[$xKey] - $meanY);
+ if ($const) {
+ $SSsex += ($this->xValues[$xKey] - $meanX) * ($this->xValues[$xKey] - $meanX);
+ } else {
+ $SSsex += $this->xValues[$xKey] * $this->xValues[$xKey];
+ }
+ }
+
+ $this->SSResiduals = $SSres;
+ $this->DFResiduals = $this->valueCount - 1 - $const;
+
+ if ($this->DFResiduals == 0.0) {
+ $this->stdevOfResiduals = 0.0;
+ } else {
+ $this->stdevOfResiduals = sqrt($SSres / $this->DFResiduals);
+ }
+ if (($SStot == 0.0) || ($SSres == $SStot)) {
+ $this->goodnessOfFit = 1;
+ } else {
+ $this->goodnessOfFit = 1 - ($SSres / $SStot);
+ }
+
+ $this->SSRegression = $this->goodnessOfFit * $SStot;
+ $this->covariance = $SScov / $this->valueCount;
+ $this->correlation = ($this->valueCount * $sumXY - $sumX * $sumY) / sqrt(($this->valueCount * $sumX2 - $sumX ** 2) * ($this->valueCount * $sumY2 - $sumY ** 2));
+ $this->slopeSE = $this->stdevOfResiduals / sqrt($SSsex);
+ $this->intersectSE = $this->stdevOfResiduals * sqrt(1 / ($this->valueCount - ($sumX * $sumX) / $sumX2));
+ if ($this->SSResiduals != 0.0) {
+ if ($this->DFResiduals == 0.0) {
+ $this->f = 0.0;
+ } else {
+ $this->f = $this->SSRegression / ($this->SSResiduals / $this->DFResiduals);
+ }
+ } else {
+ if ($this->DFResiduals == 0.0) {
+ $this->f = 0.0;
+ } else {
+ $this->f = $this->SSRegression / $this->DFResiduals;
+ }
+ }
+ }
+
+ /**
+ * @param float[] $yValues
+ * @param float[] $xValues
+ * @param bool $const
+ */
+ protected function leastSquareFit(array $yValues, array $xValues, $const): void
+ {
+ // calculate sums
+ $x_sum = array_sum($xValues);
+ $y_sum = array_sum($yValues);
+ $meanX = $x_sum / $this->valueCount;
+ $meanY = $y_sum / $this->valueCount;
+ $mBase = $mDivisor = $xx_sum = $xy_sum = $yy_sum = 0.0;
+ for ($i = 0; $i < $this->valueCount; ++$i) {
+ $xy_sum += $xValues[$i] * $yValues[$i];
+ $xx_sum += $xValues[$i] * $xValues[$i];
+ $yy_sum += $yValues[$i] * $yValues[$i];
+
+ if ($const) {
+ $mBase += ($xValues[$i] - $meanX) * ($yValues[$i] - $meanY);
+ $mDivisor += ($xValues[$i] - $meanX) * ($xValues[$i] - $meanX);
+ } else {
+ $mBase += $xValues[$i] * $yValues[$i];
+ $mDivisor += $xValues[$i] * $xValues[$i];
+ }
+ }
+
+ // calculate slope
+ $this->slope = $mBase / $mDivisor;
+
+ // calculate intersect
+ if ($const) {
+ $this->intersect = $meanY - ($this->slope * $meanX);
+ } else {
+ $this->intersect = 0;
+ }
+
+ $this->calculateGoodnessOfFit($x_sum, $y_sum, $xx_sum, $yy_sum, $xy_sum, $meanX, $meanY, $const);
+ }
+
+ /**
+ * Define the regression.
+ *
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ public function __construct($yValues, $xValues = [], $const = true)
+ {
+ // Calculate number of points
+ $nY = count($yValues);
+ $nX = count($xValues);
+
+ // Define X Values if necessary
+ if ($nX == 0) {
+ $xValues = range(1, $nY);
+ } elseif ($nY != $nX) {
+ // Ensure both arrays of points are the same size
+ $this->error = true;
+ }
+
+ $this->valueCount = $nY;
+ $this->xValues = $xValues;
+ $this->yValues = $yValues;
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/ExponentialBestFit.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/ExponentialBestFit.php
new file mode 100644
index 0000000..854915d
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/ExponentialBestFit.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Trend;
+
+class ExponentialBestFit extends BestFit
+{
+ /**
+ * Algorithm type to use for best-fit
+ * (Name of this Trend class).
+ *
+ * @var string
+ */
+ protected $bestFitType = 'exponential';
+
+ /**
+ * Return the Y-Value for a specified value of X.
+ *
+ * @param float $xValue X-Value
+ *
+ * @return float Y-Value
+ */
+ public function getValueOfYForX($xValue)
+ {
+ return $this->getIntersect() * $this->getSlope() ** ($xValue - $this->xOffset);
+ }
+
+ /**
+ * Return the X-Value for a specified value of Y.
+ *
+ * @param float $yValue Y-Value
+ *
+ * @return float X-Value
+ */
+ public function getValueOfXForY($yValue)
+ {
+ return log(($yValue + $this->yOffset) / $this->getIntersect()) / log($this->getSlope());
+ }
+
+ /**
+ * Return the Equation of the best-fit line.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return string
+ */
+ public function getEquation($dp = 0)
+ {
+ $slope = $this->getSlope($dp);
+ $intersect = $this->getIntersect($dp);
+
+ return 'Y = ' . $intersect . ' * ' . $slope . '^X';
+ }
+
+ /**
+ * Return the Slope of the line.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return float
+ */
+ public function getSlope($dp = 0)
+ {
+ if ($dp != 0) {
+ return round(exp($this->slope), $dp);
+ }
+
+ return exp($this->slope);
+ }
+
+ /**
+ * Return the Value of X where it intersects Y = 0.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return float
+ */
+ public function getIntersect($dp = 0)
+ {
+ if ($dp != 0) {
+ return round(exp($this->intersect), $dp);
+ }
+
+ return exp($this->intersect);
+ }
+
+ /**
+ * Execute the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ private function exponentialRegression($yValues, $xValues, $const): void
+ {
+ foreach ($yValues as &$value) {
+ if ($value < 0.0) {
+ $value = 0 - log(abs($value));
+ } elseif ($value > 0.0) {
+ $value = log($value);
+ }
+ }
+ unset($value);
+
+ $this->leastSquareFit($yValues, $xValues, $const);
+ }
+
+ /**
+ * Define the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ public function __construct($yValues, $xValues = [], $const = true)
+ {
+ parent::__construct($yValues, $xValues);
+
+ if (!$this->error) {
+ $this->exponentialRegression($yValues, $xValues, $const);
+ }
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/LinearBestFit.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/LinearBestFit.php
new file mode 100644
index 0000000..83bc179
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/LinearBestFit.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Trend;
+
+class LinearBestFit extends BestFit
+{
+ /**
+ * Algorithm type to use for best-fit
+ * (Name of this Trend class).
+ *
+ * @var string
+ */
+ protected $bestFitType = 'linear';
+
+ /**
+ * Return the Y-Value for a specified value of X.
+ *
+ * @param float $xValue X-Value
+ *
+ * @return float Y-Value
+ */
+ public function getValueOfYForX($xValue)
+ {
+ return $this->getIntersect() + $this->getSlope() * $xValue;
+ }
+
+ /**
+ * Return the X-Value for a specified value of Y.
+ *
+ * @param float $yValue Y-Value
+ *
+ * @return float X-Value
+ */
+ public function getValueOfXForY($yValue)
+ {
+ return ($yValue - $this->getIntersect()) / $this->getSlope();
+ }
+
+ /**
+ * Return the Equation of the best-fit line.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return string
+ */
+ public function getEquation($dp = 0)
+ {
+ $slope = $this->getSlope($dp);
+ $intersect = $this->getIntersect($dp);
+
+ return 'Y = ' . $intersect . ' + ' . $slope . ' * X';
+ }
+
+ /**
+ * Execute the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ private function linearRegression($yValues, $xValues, $const): void
+ {
+ $this->leastSquareFit($yValues, $xValues, $const);
+ }
+
+ /**
+ * Define the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ public function __construct($yValues, $xValues = [], $const = true)
+ {
+ parent::__construct($yValues, $xValues);
+
+ if (!$this->error) {
+ $this->linearRegression($yValues, $xValues, $const);
+ }
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/LogarithmicBestFit.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/LogarithmicBestFit.php
new file mode 100644
index 0000000..4f2c805
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/LogarithmicBestFit.php
@@ -0,0 +1,90 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Trend;
+
+class LogarithmicBestFit extends BestFit
+{
+ /**
+ * Algorithm type to use for best-fit
+ * (Name of this Trend class).
+ *
+ * @var string
+ */
+ protected $bestFitType = 'logarithmic';
+
+ /**
+ * Return the Y-Value for a specified value of X.
+ *
+ * @param float $xValue X-Value
+ *
+ * @return float Y-Value
+ */
+ public function getValueOfYForX($xValue)
+ {
+ return $this->getIntersect() + $this->getSlope() * log($xValue - $this->xOffset);
+ }
+
+ /**
+ * Return the X-Value for a specified value of Y.
+ *
+ * @param float $yValue Y-Value
+ *
+ * @return float X-Value
+ */
+ public function getValueOfXForY($yValue)
+ {
+ return exp(($yValue - $this->getIntersect()) / $this->getSlope());
+ }
+
+ /**
+ * Return the Equation of the best-fit line.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return string
+ */
+ public function getEquation($dp = 0)
+ {
+ $slope = $this->getSlope($dp);
+ $intersect = $this->getIntersect($dp);
+
+ return 'Y = ' . $intersect . ' + ' . $slope . ' * log(X)';
+ }
+
+ /**
+ * Execute the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ private function logarithmicRegression($yValues, $xValues, $const): void
+ {
+ foreach ($xValues as &$value) {
+ if ($value < 0.0) {
+ $value = 0 - log(abs($value));
+ } elseif ($value > 0.0) {
+ $value = log($value);
+ }
+ }
+ unset($value);
+
+ $this->leastSquareFit($yValues, $xValues, $const);
+ }
+
+ /**
+ * Define the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ public function __construct($yValues, $xValues = [], $const = true)
+ {
+ parent::__construct($yValues, $xValues);
+
+ if (!$this->error) {
+ $this->logarithmicRegression($yValues, $xValues, $const);
+ }
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PolynomialBestFit.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PolynomialBestFit.php
new file mode 100644
index 0000000..5389501
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PolynomialBestFit.php
@@ -0,0 +1,200 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Trend;
+
+use PhpOffice\PhpSpreadsheet\Shared\JAMA\Matrix;
+
+class PolynomialBestFit extends BestFit
+{
+ /**
+ * Algorithm type to use for best-fit
+ * (Name of this Trend class).
+ *
+ * @var string
+ */
+ protected $bestFitType = 'polynomial';
+
+ /**
+ * Polynomial order.
+ *
+ * @var int
+ */
+ protected $order = 0;
+
+ /**
+ * Return the order of this polynomial.
+ *
+ * @return int
+ */
+ public function getOrder()
+ {
+ return $this->order;
+ }
+
+ /**
+ * Return the Y-Value for a specified value of X.
+ *
+ * @param float $xValue X-Value
+ *
+ * @return float Y-Value
+ */
+ public function getValueOfYForX($xValue)
+ {
+ $retVal = $this->getIntersect();
+ $slope = $this->getSlope();
+ foreach ($slope as $key => $value) {
+ if ($value != 0.0) {
+ $retVal += $value * $xValue ** ($key + 1);
+ }
+ }
+
+ return $retVal;
+ }
+
+ /**
+ * Return the X-Value for a specified value of Y.
+ *
+ * @param float $yValue Y-Value
+ *
+ * @return float X-Value
+ */
+ public function getValueOfXForY($yValue)
+ {
+ return ($yValue - $this->getIntersect()) / $this->getSlope();
+ }
+
+ /**
+ * Return the Equation of the best-fit line.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return string
+ */
+ public function getEquation($dp = 0)
+ {
+ $slope = $this->getSlope($dp);
+ $intersect = $this->getIntersect($dp);
+
+ $equation = 'Y = ' . $intersect;
+ foreach ($slope as $key => $value) {
+ if ($value != 0.0) {
+ $equation .= ' + ' . $value . ' * X';
+ if ($key > 0) {
+ $equation .= '^' . ($key + 1);
+ }
+ }
+ }
+
+ return $equation;
+ }
+
+ /**
+ * Return the Slope of the line.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return string
+ */
+ public function getSlope($dp = 0)
+ {
+ if ($dp != 0) {
+ $coefficients = [];
+ foreach ($this->slope as $coefficient) {
+ $coefficients[] = round($coefficient, $dp);
+ }
+
+ return $coefficients;
+ }
+
+ return $this->slope;
+ }
+
+ public function getCoefficients($dp = 0)
+ {
+ return array_merge([$this->getIntersect($dp)], $this->getSlope($dp));
+ }
+
+ /**
+ * Execute the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param int $order Order of Polynomial for this regression
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ */
+ private function polynomialRegression($order, $yValues, $xValues): void
+ {
+ // calculate sums
+ $x_sum = array_sum($xValues);
+ $y_sum = array_sum($yValues);
+ $xx_sum = $xy_sum = $yy_sum = 0;
+ for ($i = 0; $i < $this->valueCount; ++$i) {
+ $xy_sum += $xValues[$i] * $yValues[$i];
+ $xx_sum += $xValues[$i] * $xValues[$i];
+ $yy_sum += $yValues[$i] * $yValues[$i];
+ }
+ /*
+ * This routine uses logic from the PHP port of polyfit version 0.1
+ * written by Michael Bommarito and Paul Meagher
+ *
+ * The function fits a polynomial function of order $order through
+ * a series of x-y data points using least squares.
+ *
+ */
+ $A = [];
+ $B = [];
+ for ($i = 0; $i < $this->valueCount; ++$i) {
+ for ($j = 0; $j <= $order; ++$j) {
+ $A[$i][$j] = $xValues[$i] ** $j;
+ }
+ }
+ for ($i = 0; $i < $this->valueCount; ++$i) {
+ $B[$i] = [$yValues[$i]];
+ }
+ $matrixA = new Matrix($A);
+ $matrixB = new Matrix($B);
+ $C = $matrixA->solve($matrixB);
+
+ $coefficients = [];
+ for ($i = 0; $i < $C->getRowDimension(); ++$i) {
+ $r = $C->get($i, 0);
+ if (abs($r) <= 10 ** (-9)) {
+ $r = 0;
+ }
+ $coefficients[] = $r;
+ }
+
+ $this->intersect = array_shift($coefficients);
+ $this->slope = $coefficients;
+
+ $this->calculateGoodnessOfFit($x_sum, $y_sum, $xx_sum, $yy_sum, $xy_sum, 0, 0, 0);
+ foreach ($this->xValues as $xKey => $xValue) {
+ $this->yBestFitValues[$xKey] = $this->getValueOfYForX($xValue);
+ }
+ }
+
+ /**
+ * Define the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param int $order Order of Polynomial for this regression
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ public function __construct($order, $yValues, $xValues = [], $const = true)
+ {
+ parent::__construct($yValues, $xValues);
+
+ if (!$this->error) {
+ if ($order < $this->valueCount) {
+ $this->bestFitType .= '_' . $order;
+ $this->order = $order;
+ $this->polynomialRegression($order, $yValues, $xValues);
+ if (($this->getGoodnessOfFit() < 0.0) || ($this->getGoodnessOfFit() > 1.0)) {
+ $this->error = true;
+ }
+ } else {
+ $this->error = true;
+ }
+ }
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PowerBestFit.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PowerBestFit.php
new file mode 100644
index 0000000..38c67f6
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PowerBestFit.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Trend;
+
+class PowerBestFit extends BestFit
+{
+ /**
+ * Algorithm type to use for best-fit
+ * (Name of this Trend class).
+ *
+ * @var string
+ */
+ protected $bestFitType = 'power';
+
+ /**
+ * Return the Y-Value for a specified value of X.
+ *
+ * @param float $xValue X-Value
+ *
+ * @return float Y-Value
+ */
+ public function getValueOfYForX($xValue)
+ {
+ return $this->getIntersect() * ($xValue - $this->xOffset) ** $this->getSlope();
+ }
+
+ /**
+ * Return the X-Value for a specified value of Y.
+ *
+ * @param float $yValue Y-Value
+ *
+ * @return float X-Value
+ */
+ public function getValueOfXForY($yValue)
+ {
+ return (($yValue + $this->yOffset) / $this->getIntersect()) ** (1 / $this->getSlope());
+ }
+
+ /**
+ * Return the Equation of the best-fit line.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return string
+ */
+ public function getEquation($dp = 0)
+ {
+ $slope = $this->getSlope($dp);
+ $intersect = $this->getIntersect($dp);
+
+ return 'Y = ' . $intersect . ' * X^' . $slope;
+ }
+
+ /**
+ * Return the Value of X where it intersects Y = 0.
+ *
+ * @param int $dp Number of places of decimal precision to display
+ *
+ * @return float
+ */
+ public function getIntersect($dp = 0)
+ {
+ if ($dp != 0) {
+ return round(exp($this->intersect), $dp);
+ }
+
+ return exp($this->intersect);
+ }
+
+ /**
+ * Execute the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ private function powerRegression($yValues, $xValues, $const): void
+ {
+ foreach ($xValues as &$value) {
+ if ($value < 0.0) {
+ $value = 0 - log(abs($value));
+ } elseif ($value > 0.0) {
+ $value = log($value);
+ }
+ }
+ unset($value);
+ foreach ($yValues as &$value) {
+ if ($value < 0.0) {
+ $value = 0 - log(abs($value));
+ } elseif ($value > 0.0) {
+ $value = log($value);
+ }
+ }
+ unset($value);
+
+ $this->leastSquareFit($yValues, $xValues, $const);
+ }
+
+ /**
+ * Define the regression and calculate the goodness of fit for a set of X and Y data values.
+ *
+ * @param float[] $yValues The set of Y-values for this regression
+ * @param float[] $xValues The set of X-values for this regression
+ * @param bool $const
+ */
+ public function __construct($yValues, $xValues = [], $const = true)
+ {
+ parent::__construct($yValues, $xValues);
+
+ if (!$this->error) {
+ $this->powerRegression($yValues, $xValues, $const);
+ }
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/Trend.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/Trend.php
new file mode 100644
index 0000000..f696b3e
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/Trend.php
@@ -0,0 +1,120 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared\Trend;
+
+class Trend
+{
+ const TREND_LINEAR = 'Linear';
+ const TREND_LOGARITHMIC = 'Logarithmic';
+ const TREND_EXPONENTIAL = 'Exponential';
+ const TREND_POWER = 'Power';
+ const TREND_POLYNOMIAL_2 = 'Polynomial_2';
+ const TREND_POLYNOMIAL_3 = 'Polynomial_3';
+ const TREND_POLYNOMIAL_4 = 'Polynomial_4';
+ const TREND_POLYNOMIAL_5 = 'Polynomial_5';
+ const TREND_POLYNOMIAL_6 = 'Polynomial_6';
+ const TREND_BEST_FIT = 'Bestfit';
+ const TREND_BEST_FIT_NO_POLY = 'Bestfit_no_Polynomials';
+
+ /**
+ * Names of the best-fit Trend analysis methods.
+ *
+ * @var string[]
+ */
+ private static $trendTypes = [
+ self::TREND_LINEAR,
+ self::TREND_LOGARITHMIC,
+ self::TREND_EXPONENTIAL,
+ self::TREND_POWER,
+ ];
+
+ /**
+ * Names of the best-fit Trend polynomial orders.
+ *
+ * @var string[]
+ */
+ private static $trendTypePolynomialOrders = [
+ self::TREND_POLYNOMIAL_2,
+ self::TREND_POLYNOMIAL_3,
+ self::TREND_POLYNOMIAL_4,
+ self::TREND_POLYNOMIAL_5,
+ self::TREND_POLYNOMIAL_6,
+ ];
+
+ /**
+ * Cached results for each method when trying to identify which provides the best fit.
+ *
+ * @var bestFit[]
+ */
+ private static $trendCache = [];
+
+ public static function calculate($trendType = self::TREND_BEST_FIT, $yValues = [], $xValues = [], $const = true)
+ {
+ // Calculate number of points in each dataset
+ $nY = count($yValues);
+ $nX = count($xValues);
+
+ // Define X Values if necessary
+ if ($nX == 0) {
+ $xValues = range(1, $nY);
+ $nX = $nY;
+ } elseif ($nY != $nX) {
+ // Ensure both arrays of points are the same size
+ trigger_error('Trend(): Number of elements in coordinate arrays do not match.', E_USER_ERROR);
+ }
+
+ $key = md5($trendType . $const . serialize($yValues) . serialize($xValues));
+ // Determine which Trend method has been requested
+ switch ($trendType) {
+ // Instantiate and return the class for the requested Trend method
+ case self::TREND_LINEAR:
+ case self::TREND_LOGARITHMIC:
+ case self::TREND_EXPONENTIAL:
+ case self::TREND_POWER:
+ if (!isset(self::$trendCache[$key])) {
+ $className = '\PhpOffice\PhpSpreadsheet\Shared\Trend\\' . $trendType . 'BestFit';
+ self::$trendCache[$key] = new $className($yValues, $xValues, $const);
+ }
+
+ return self::$trendCache[$key];
+ case self::TREND_POLYNOMIAL_2:
+ case self::TREND_POLYNOMIAL_3:
+ case self::TREND_POLYNOMIAL_4:
+ case self::TREND_POLYNOMIAL_5:
+ case self::TREND_POLYNOMIAL_6:
+ if (!isset(self::$trendCache[$key])) {
+ $order = substr($trendType, -1);
+ self::$trendCache[$key] = new PolynomialBestFit($order, $yValues, $xValues, $const);
+ }
+
+ return self::$trendCache[$key];
+ case self::TREND_BEST_FIT:
+ case self::TREND_BEST_FIT_NO_POLY:
+ // If the request is to determine the best fit regression, then we test each Trend line in turn
+ // Start by generating an instance of each available Trend method
+ foreach (self::$trendTypes as $trendMethod) {
+ $className = '\PhpOffice\PhpSpreadsheet\Shared\Trend\\' . $trendType . 'BestFit';
+ $bestFit[$trendMethod] = new $className($yValues, $xValues, $const);
+ $bestFitValue[$trendMethod] = $bestFit[$trendMethod]->getGoodnessOfFit();
+ }
+ if ($trendType != self::TREND_BEST_FIT_NO_POLY) {
+ foreach (self::$trendTypePolynomialOrders as $trendMethod) {
+ $order = substr($trendMethod, -1);
+ $bestFit[$trendMethod] = new PolynomialBestFit($order, $yValues, $xValues, $const);
+ if ($bestFit[$trendMethod]->getError()) {
+ unset($bestFit[$trendMethod]);
+ } else {
+ $bestFitValue[$trendMethod] = $bestFit[$trendMethod]->getGoodnessOfFit();
+ }
+ }
+ }
+ // Determine which of our Trend lines is the best fit, and then we return the instance of that Trend class
+ arsort($bestFitValue);
+ $bestFitType = key($bestFitValue);
+
+ return $bestFit[$bestFitType];
+ default:
+ return false;
+ }
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/XMLWriter.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/XMLWriter.php
new file mode 100644
index 0000000..a42cc47
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/XMLWriter.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+class XMLWriter extends \XMLWriter
+{
+ public static $debugEnabled = false;
+
+ /** Temporary storage method */
+ const STORAGE_MEMORY = 1;
+ const STORAGE_DISK = 2;
+
+ /**
+ * Temporary filename.
+ *
+ * @var string
+ */
+ private $tempFileName = '';
+
+ /**
+ * Create a new XMLWriter instance.
+ *
+ * @param int $pTemporaryStorage Temporary storage location
+ * @param string $pTemporaryStorageFolder Temporary storage folder
+ */
+ public function __construct($pTemporaryStorage = self::STORAGE_MEMORY, $pTemporaryStorageFolder = null)
+ {
+ // Open temporary storage
+ if ($pTemporaryStorage == self::STORAGE_MEMORY) {
+ $this->openMemory();
+ } else {
+ // Create temporary filename
+ if ($pTemporaryStorageFolder === null) {
+ $pTemporaryStorageFolder = File::sysGetTempDir();
+ }
+ $this->tempFileName = @tempnam($pTemporaryStorageFolder, 'xml');
+
+ // Open storage
+ if ($this->openUri($this->tempFileName) === false) {
+ // Fallback to memory...
+ $this->openMemory();
+ }
+ }
+
+ // Set default values
+ if (self::$debugEnabled) {
+ $this->setIndent(true);
+ }
+ }
+
+ /**
+ * Destructor.
+ */
+ public function __destruct()
+ {
+ // Unlink temporary files
+ if ($this->tempFileName != '') {
+ @unlink($this->tempFileName);
+ }
+ }
+
+ /**
+ * Get written data.
+ *
+ * @return string
+ */
+ public function getData()
+ {
+ if ($this->tempFileName == '') {
+ return $this->outputMemory(true);
+ }
+ $this->flush();
+
+ return file_get_contents($this->tempFileName);
+ }
+
+ /**
+ * Wrapper method for writeRaw.
+ *
+ * @param string|string[] $text
+ *
+ * @return bool
+ */
+ public function writeRawData($text)
+ {
+ if (is_array($text)) {
+ $text = implode("\n", $text);
+ }
+
+ return $this->writeRaw(htmlspecialchars($text));
+ }
+}
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Xls.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Xls.php
new file mode 100644
index 0000000..f2a5576
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Xls.php
@@ -0,0 +1,279 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+
+class Xls
+{
+ /**
+ * Get the width of a column in pixels. We use the relationship y = ceil(7x) where
+ * x is the width in intrinsic Excel units (measuring width in number of normal characters)
+ * This holds for Arial 10.
+ *
+ * @param Worksheet $sheet The sheet
+ * @param string $col The column
+ *
+ * @return int The width in pixels
+ */
+ public static function sizeCol($sheet, $col = 'A')
+ {
+ // default font of the workbook
+ $font = $sheet->getParent()->getDefaultStyle()->getFont();
+
+ $columnDimensions = $sheet->getColumnDimensions();
+
+ // first find the true column width in pixels (uncollapsed and unhidden)
+ if (isset($columnDimensions[$col]) && $columnDimensions[$col]->getWidth() != -1) {
+ // then we have column dimension with explicit width
+ $columnDimension = $columnDimensions[$col];
+ $width = $columnDimension->getWidth();
+ $pixelWidth = Drawing::cellDimensionToPixels($width, $font);
+ } elseif ($sheet->getDefaultColumnDimension()->getWidth() != -1) {
+ // then we have default column dimension with explicit width
+ $defaultColumnDimension = $sheet->getDefaultColumnDimension();
+ $width = $defaultColumnDimension->getWidth();
+ $pixelWidth = Drawing::cellDimensionToPixels($width, $font);
+ } else {
+ // we don't even have any default column dimension. Width depends on default font
+ $pixelWidth = Font::getDefaultColumnWidthByFont($font, true);
+ }
+
+ // now find the effective column width in pixels
+ if (isset($columnDimensions[$col]) && !$columnDimensions[$col]->getVisible()) {
+ $effectivePixelWidth = 0;
+ } else {
+ $effectivePixelWidth = $pixelWidth;
+ }
+
+ return $effectivePixelWidth;
+ }
+
+ /**
+ * Convert the height of a cell from user's units to pixels. By interpolation
+ * the relationship is: y = 4/3x. If the height hasn't been set by the user we
+ * use the default value. If the row is hidden we use a value of zero.
+ *
+ * @param Worksheet $sheet The sheet
+ * @param int $row The row index (1-based)
+ *
+ * @return int The width in pixels
+ */
+ public static function sizeRow($sheet, $row = 1)
+ {
+ // default font of the workbook
+ $font = $sheet->getParent()->getDefaultStyle()->getFont();
+
+ $rowDimensions = $sheet->getRowDimensions();
+
+ // first find the true row height in pixels (uncollapsed and unhidden)
+ if (isset($rowDimensions[$row]) && $rowDimensions[$row]->getRowHeight() != -1) {
+ // then we have a row dimension
+ $rowDimension = $rowDimensions[$row];
+ $rowHeight = $rowDimension->getRowHeight();
+ $pixelRowHeight = (int) ceil(4 * $rowHeight / 3); // here we assume Arial 10
+ } elseif ($sheet->getDefaultRowDimension()->getRowHeight() != -1) {
+ // then we have a default row dimension with explicit height
+ $defaultRowDimension = $sheet->getDefaultRowDimension();
+ $rowHeight = $defaultRowDimension->getRowHeight();
+ $pixelRowHeight = Drawing::pointsToPixels($rowHeight);
+ } else {
+ // we don't even have any default row dimension. Height depends on default font
+ $pointRowHeight = Font::getDefaultRowHeightByFont($font);
+ $pixelRowHeight = Font::fontSizeToPixels($pointRowHeight);
+ }
+
+ // now find the effective row height in pixels
+ if (isset($rowDimensions[$row]) && !$rowDimensions[$row]->getVisible()) {
+ $effectivePixelRowHeight = 0;
+ } else {
+ $effectivePixelRowHeight = $pixelRowHeight;
+ }
+
+ return $effectivePixelRowHeight;
+ }
+
+ /**
+ * Get the horizontal distance in pixels between two anchors
+ * The distanceX is found as sum of all the spanning columns widths minus correction for the two offsets.
+ *
+ * @param string $startColumn
+ * @param int $startOffsetX Offset within start cell measured in 1/1024 of the cell width
+ * @param string $endColumn
+ * @param int $endOffsetX Offset within end cell measured in 1/1024 of the cell width
+ *
+ * @return int Horizontal measured in pixels
+ */
+ public static function getDistanceX(Worksheet $sheet, $startColumn = 'A', $startOffsetX = 0, $endColumn = 'A', $endOffsetX = 0)
+ {
+ $distanceX = 0;
+
+ // add the widths of the spanning columns
+ $startColumnIndex = Coordinate::columnIndexFromString($startColumn);
+ $endColumnIndex = Coordinate::columnIndexFromString($endColumn);
+ for ($i = $startColumnIndex; $i <= $endColumnIndex; ++$i) {
+ $distanceX += self::sizeCol($sheet, Coordinate::stringFromColumnIndex($i));
+ }
+
+ // correct for offsetX in startcell
+ $distanceX -= (int) floor(self::sizeCol($sheet, $startColumn) * $startOffsetX / 1024);
+
+ // correct for offsetX in endcell
+ $distanceX -= (int) floor(self::sizeCol($sheet, $endColumn) * (1 - $endOffsetX / 1024));
+
+ return $distanceX;
+ }
+
+ /**
+ * Get the vertical distance in pixels between two anchors
+ * The distanceY is found as sum of all the spanning rows minus two offsets.
+ *
+ * @param int $startRow (1-based)
+ * @param int $startOffsetY Offset within start cell measured in 1/256 of the cell height
+ * @param int $endRow (1-based)
+ * @param int $endOffsetY Offset within end cell measured in 1/256 of the cell height
+ *
+ * @return int Vertical distance measured in pixels
+ */
+ public static function getDistanceY(Worksheet $sheet, $startRow = 1, $startOffsetY = 0, $endRow = 1, $endOffsetY = 0)
+ {
+ $distanceY = 0;
+
+ // add the widths of the spanning rows
+ for ($row = $startRow; $row <= $endRow; ++$row) {
+ $distanceY += self::sizeRow($sheet, $row);
+ }
+
+ // correct for offsetX in startcell
+ $distanceY -= (int) floor(self::sizeRow($sheet, $startRow) * $startOffsetY / 256);
+
+ // correct for offsetX in endcell
+ $distanceY -= (int) floor(self::sizeRow($sheet, $endRow) * (1 - $endOffsetY / 256));
+
+ return $distanceY;
+ }
+
+ /**
+ * Convert 1-cell anchor coordinates to 2-cell anchor coordinates
+ * This function is ported from PEAR Spreadsheet_Writer_Excel with small modifications.
+ *
+ * Calculate the vertices that define the position of the image as required by
+ * the OBJ record.
+ *
+ * +------------+------------+
+ * | A | B |
+ * +-----+------------+------------+
+ * | |(x1,y1) | |
+ * | 1 |(A1)._______|______ |
+ * | | | | |
+ * | | | | |
+ * +-----+----| BITMAP |-----+
+ * | | | | |
+ * | 2 | |______________. |
+ * | | | (B2)|
+ * | | | (x2,y2)|
+ * +---- +------------+------------+
+ *
+ * Example of a bitmap that covers some of the area from cell A1 to cell B2.
+ *
+ * Based on the width and height of the bitmap we need to calculate 8 vars:
+ * $col_start, $row_start, $col_end, $row_end, $x1, $y1, $x2, $y2.
+ * The width and height of the cells are also variable and have to be taken into
+ * account.
+ * The values of $col_start and $row_start are passed in from the calling
+ * function. The values of $col_end and $row_end are calculated by subtracting
+ * the width and height of the bitmap from the width and height of the
+ * underlying cells.
+ * The vertices are expressed as a percentage of the underlying cell width as
+ * follows (rhs values are in pixels):
+ *
+ * x1 = X / W *1024
+ * y1 = Y / H *256
+ * x2 = (X-1) / W *1024
+ * y2 = (Y-1) / H *256
+ *
+ * Where: X is distance from the left side of the underlying cell
+ * Y is distance from the top of the underlying cell
+ * W is the width of the cell
+ * H is the height of the cell
+ *
+ * @param Worksheet $sheet
+ * @param string $coordinates E.g. 'A1'
+ * @param int $offsetX Horizontal offset in pixels
+ * @param int $offsetY Vertical offset in pixels
+ * @param int $width Width in pixels
+ * @param int $height Height in pixels
+ *
+ * @return array
+ */
+ public static function oneAnchor2twoAnchor($sheet, $coordinates, $offsetX, $offsetY, $width, $height)
+ {
+ [$column, $row] = Coordinate::coordinateFromString($coordinates);
+ $col_start = Coordinate::columnIndexFromString($column);
+ $row_start = $row - 1;
+
+ $x1 = $offsetX;
+ $y1 = $offsetY;
+
+ // Initialise end cell to the same as the start cell
+ $col_end = $col_start; // Col containing lower right corner of object
+ $row_end = $row_start; // Row containing bottom right corner of object
+
+ // Zero the specified offset if greater than the cell dimensions
+ if ($x1 >= self::sizeCol($sheet, Coordinate::stringFromColumnIndex($col_start))) {
+ $x1 = 0;
+ }
+ if ($y1 >= self::sizeRow($sheet, $row_start + 1)) {
+ $y1 = 0;
+ }
+
+ $width = $width + $x1 - 1;
+ $height = $height + $y1 - 1;
+
+ // Subtract the underlying cell widths to find the end cell of the image
+ while ($width >= self::sizeCol($sheet, Coordinate::stringFromColumnIndex($col_end))) {
+ $width -= self::sizeCol($sheet, Coordinate::stringFromColumnIndex($col_end));
+ ++$col_end;
+ }
+
+ // Subtract the underlying cell heights to find the end cell of the image
+ while ($height >= self::sizeRow($sheet, $row_end + 1)) {
+ $height -= self::sizeRow($sheet, $row_end + 1);
+ ++$row_end;
+ }
+
+ // Bitmap isn't allowed to start or finish in a hidden cell, i.e. a cell
+ // with zero height or width.
+ if (self::sizeCol($sheet, Coordinate::stringFromColumnIndex($col_start)) == 0) {
+ return;
+ }
+ if (self::sizeCol($sheet, Coordinate::stringFromColumnIndex($col_end)) == 0) {
+ return;
+ }
+ if (self::sizeRow($sheet, $row_start + 1) == 0) {
+ return;
+ }
+ if (self::sizeRow($sheet, $row_end + 1) == 0) {
+ return;
+ }
+
+ // Convert the pixel values to the percentage value expected by Excel
+ $x1 = $x1 / self::sizeCol($sheet, Coordinate::stringFromColumnIndex($col_start)) * 1024;
+ $y1 = $y1 / self::sizeRow($sheet, $row_start + 1) * 256;
+ $x2 = ($width + 1) / self::sizeCol($sheet, Coordinate::stringFromColumnIndex($col_end)) * 1024; // Distance to right side of object
+ $y2 = ($height + 1) / self::sizeRow($sheet, $row_end + 1) * 256; // Distance to bottom of object
+
+ $startCoordinates = Coordinate::stringFromColumnIndex($col_start) . ($row_start + 1);
+ $endCoordinates = Coordinate::stringFromColumnIndex($col_end) . ($row_end + 1);
+
+ return [
+ 'startCoordinates' => $startCoordinates,
+ 'startOffsetX' => $x1,
+ 'startOffsetY' => $y1,
+ 'endCoordinates' => $endCoordinates,
+ 'endOffsetX' => $x2,
+ 'endOffsetY' => $y2,
+ ];
+ }
+}