import v1.1.0_beta1 | 2009-08-21

libs/Zend/Gdata/App/Util.php

@@ -25,6 +25,7 @@
  *
  * @category   Zend
  * @package    Zend_Gdata
+ * @subpackage App
  * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
@@ -79,7 +80,7 @@ class Zend_Gdata_App_Util
             throw new Zend_Gdata_App_Exception("Empty namespace collection encountered.");
         }
 
-        if (is_null($maximumKey)) {
+        if ($maximumKey === null) {
             // If the key is null, then we return the maximum available
             $keys = array_keys($collection);
             sort($keys);