1 files changed, 58 insertions, 0 deletions
diff --git a/admin/survey/minify/lib/Minify/CacheInterface.php b/admin/survey/minify/lib/Minify/CacheInterface.php
new file mode 100644
index 0000000..4b1c51a
--- /dev/null
+++ b/admin/survey/minify/lib/Minify/CacheInterface.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * Interface Minify_CacheInterface
+ * @package Minify
+ */
+
+/**
+ * Interface for Minify cache adapters
+ *
+ * @package Minify
+ */
+interface Minify_CacheInterface
+{
+    /**
+     * Write data to cache.
+     *
+     * @param string $id cache id (e.g. a filename)
+     * @param string $data
+     *
+     * @return bool success
+     */
+    public function store($id, $data);
+
+    /**
+     * Get the size of a cache entry
+     *
+     * @param string $id cache id (e.g. a filename)
+     *
+     * @return int size in bytes
+     */
+    public function getSize($id);
+
+    /**
+     * Does a valid cache entry exist?
+     *
+     * @param string $id       cache id (e.g. a filename)
+     * @param int    $srcMtime mtime of the original source file(s)
+     *
+     * @return bool exists
+     */
+    public function isValid($id, $srcMtime);
+
+    /**
+     * Send the cached content to output
+     *
+     * @param string $id cache id (e.g. a filename)
+     */
+    public function display($id);
+
+    /**
+     * Fetch the cached content
+     *
+     * @param string $id cache id (e.g. a filename)
+     *
+     * @return string
+     */
+    public function fetch($id);
+}