--- a/web/lib/Zend/Cache/Backend/ZendServer/Disk.php	Thu May 07 15:10:09 2015 +0200
+++ b/web/lib/Zend/Cache/Backend/ZendServer/Disk.php	Thu May 07 15:16:02 2015 +0200
@@ -15,9 +15,9 @@
  * @category   Zend
  * @package    Zend_Cache
  * @subpackage Zend_Cache_Backend
- * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
- * @version    $Id: Disk.php 24593 2012-01-05 20:35:02Z matthew $
+ * @version    $Id$
  */
 
 
@@ -31,7 +31,7 @@
 /**
  * @package    Zend_Cache
  * @subpackage Zend_Cache_Backend
- * @copyright  Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
+ * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Cache_Backend_ZendServer_Disk extends Zend_Cache_Backend_ZendServer implements Zend_Cache_Backend_Interface
@@ -72,7 +72,8 @@
     /**
      * Fetch data
      *
-     * @param string $id          Cache id
+     * @param string $id Cache id
+     * @return mixed|null
      */
     protected function _fetch($id)
     {