diff -r 5a6b6e770365 -r 68c69c656a2c web/lib/Zend/Cache/Backend/Apc.php
--- a/web/lib/Zend/Cache/Backend/Apc.php	Thu May 07 15:10:09 2015 +0200
+++ b/web/lib/Zend/Cache/Backend/Apc.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: Apc.php 24593 2012-01-05 20:35:02Z matthew $
+ * @version    $Id$
  */
 
 
@@ -35,7 +35,7 @@
 /**
  * @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_Apc extends Zend_Cache_Backend implements Zend_Cache_Backend_ExtendedInterface
@@ -256,13 +256,13 @@
      */
     public function getIds()
     {
-        $res = array();
-        $array = apc_cache_info('user', false);
-        $records = $array['cache_list'];
-        foreach ($records as $record) {
-            $res[] = $record['info'];
+        $ids      = array();
+        $iterator = new APCIterator('user', null, APC_ITER_KEY);
+        foreach ($iterator as $item) {
+            $ids[] = $item['key'];
         }
-        return $res;
+
+        return $ids;
     }
 
     /**