Index: temp/trunk/html/rss/product.php
===================================================================
--- temp/trunk/html/rss/product.php	(revision 6561)
+++ temp/trunk/html/rss/product.php	(revision 6562)
@@ -50,5 +50,5 @@
 $objPage->arrSiteInfo = $objSiteInfo->data;
 
-sfprintr(is_set($arrProduct));
+sfprintr(isset($arrProduct));
 exit();