Index: t3lib/class.t3lib_div.php
===================================================================
--- t3lib/class.t3lib_div.php	(revision 7778)
+++ t3lib/class.t3lib_div.php	(working copy)
@@ -4537,7 +4537,8 @@
 	 * @param	array		Array of key-value pairs
 	 * @return	string		Hash of all the values
 	 */
-	public static function calculateCHash($params) {
+	public static function calculateCHash(array $params) {
+		ksort($params);
 		$cHash = md5(serialize($params));
 		return $cHash;
 	}