Fix in array_search_keys

diff --git a/includes/current_user.inc b/includes/current_user.inc
index 017a54052bff8fa0868e18d55ffe8938eb4ad86e..c4d94539df5797c01dad0cfd64d9f4fc0c754242 100644 (file)
--- a/includes/current_user.inc
+++ b/includes/current_user.inc
@@ -481,12 +481,13 @@ function array_search_value($needle, $haystack, $valuekey=null)
 function array_search_keys($needle, $haystack, $valuekey=null)
 {
        $keys = array();
-       foreach($haystack as $key => $value) {
-               $val = isset($valuekey) ? $value[$valuekey] : $value;
-               if ($needle == $val){
-                       $keys[] = $key;
+       if($haystack)
+               foreach($haystack as $key => $value) {
+                       $val = isset($valuekey) ? $value[$valuekey] : $value;
+                       if ($needle == $val){
+                               $keys[] = $key;
+                       }
                }
-       }
        return $keys;
 }
 //