1 files changed, 139 insertions, 0 deletions
diff --git a/admin/survey/minify/lib/Minify/Cache/WinCache.php b/admin/survey/minify/lib/Minify/Cache/WinCache.php
new file mode 100644
index 0000000..089d66d
--- /dev/null
+++ b/admin/survey/minify/lib/Minify/Cache/WinCache.php
@@ -0,0 +1,139 @@
+<?php
+/**
+ * Class Minify_Cache_Wincache
+ * @package Minify
+ */
+
+/**
+ * WinCache-based cache class for Minify
+ *
+ * <code>
+ * Minify::setCache(new Minify_Cache_WinCache());
+ * </code>
+ *
+ * @package Minify
+ * @author Matthias Fax
+ **/
+class Minify_Cache_WinCache implements Minify_CacheInterface
+{
+    /**
+     * Create a Minify_Cache_Wincache object, to be passed to
+     * Minify::setCache().
+     *
+     * @param int $expire seconds until expiration (default = 0
+     * meaning the item will not get an expiration date)
+     *
+     * @throws Exception
+     */
+    public function __construct($expire = 0)
+    {
+        if (!function_exists('wincache_ucache_info')) {
+            throw new Exception("WinCache for PHP is not installed to be able to use Minify_Cache_WinCache!");
+        }
+        $this->_exp = $expire;
+    }
+
+    /**
+     * Write data to cache.
+     *
+     * @param string $id cache id
+     *
+     * @param string $data
+     *
+     * @return bool success
+     */
+    public function store($id, $data)
+    {
+        return wincache_ucache_set($id, "{$_SERVER['REQUEST_TIME']}|{$data}", $this->_exp);
+    }
+
+    /**
+     * Get the size of a cache entry
+     *
+     * @param string $id cache id
+     *
+     * @return int size in bytes
+     */
+    public function getSize($id)
+    {
+        if (!$this->_fetch($id)) {
+            return false;
+        }
+
+        if (function_exists('mb_strlen') && ((int) ini_get('mbstring.func_overload') & 2)) {
+            return mb_strlen($this->_data, '8bit');
+        } else {
+            return strlen($this->_data);
+        }
+    }
+
+    /**
+     * Does a valid cache entry exist?
+     *
+     * @param string $id cache id
+     *
+     * @param int $srcMtime mtime of the original source file(s)
+     *
+     * @return bool exists
+     */
+    public function isValid($id, $srcMtime)
+    {
+        return ($this->_fetch($id) && ($this->_lm >= $srcMtime));
+    }
+
+    /**
+     * Send the cached content to output
+     *
+     * @param string $id cache id
+     */
+    public function display($id)
+    {
+        echo $this->_fetch($id) ? $this->_data : '';
+    }
+
+    /**
+     * Fetch the cached content
+     *
+     * @param string $id cache id
+     *
+     * @return string
+     */
+    public function fetch($id)
+    {
+        return $this->_fetch($id) ? $this->_data : '';
+    }
+
+    private $_exp = null;
+
+    // cache of most recently fetched id
+    private $_lm = null;
+    private $_data = null;
+    private $_id = null;
+
+    /**
+     * Fetch data and timestamp from WinCache, store in instance
+     *
+     * @param string $id
+     *
+     * @return bool success
+     */
+    private function _fetch($id)
+    {
+        if ($this->_id === $id) {
+            return true;
+        }
+
+        $suc = false;
+        $ret = wincache_ucache_get($id, $suc);
+        if (!$suc) {
+            $this->_id = null;
+
+            return false;
+        }
+
+        list($this->_lm, $this->_data) = explode('|', $ret, 2);
+        $this->_id = $id;
+
+        return true;
+    }
+}
+\ No newline at end of file