Index: /temp/trunk/html/shopping/payment.php
===================================================================
--- /temp/trunk/html/shopping/payment.php	(revision 6680)
+++ /temp/trunk/html/shopping/payment.php	(revision 6681)
@@ -57,5 +57,5 @@
 sfprintr($objCartSess->getCartList());
 foreach($objCartSess->getCartList() as $key => $val){
-	if($val['quantity'] === 0){
+	if($val['quantity'] == 0){
 		sfprintr("error");
 	}