Update 'kosar.php'

kosar.php

@@ -43,12 +43,12 @@ class KosarController {
       }
 	}
   function listaz() {
-    if(!isset($_SESSION['kosar'])) {
+    if(isset($_SESSION['kosar'])) {
   		return $_SESSION['kosar']; 
     }
   }
   function urit() {
-    if(!isset($_SESSION['kosar'])) {
+    if(isset($_SESSION['kosar'])) {
    		unset($_SESSION['kosar']);
     }
   }