diff --git a/lib/Zend/Cache/Backend.php b/lib/Zend/Cache/Backend.php
index 8164a32f23c..df6621763c9 100644
--- a/lib/Zend/Cache/Backend.php
+++ b/lib/Zend/Cache/Backend.php
@@ -76,7 +76,7 @@ public function __construct(array $options = array())
     public function setDirectives($directives)
     {
         if (!is_array($directives)) Zend_Cache::throwException('Directives parameter must be an array');
-        while (list($name, $value) = each($directives)) {
+        foreach($directives as $name => $value) {
             if (!is_string($name)) {
                 Zend_Cache::throwException("Incorrect option name : $name");
             }