session_unregister has been deprecated, this solves the issue.

7 years ago · 8ab3ccf298
1 changed files with 7 additions and 5 deletions
--- a/classes/security_functions.php
+++ b/classes/security_functions.php
@ -126,11 +126,13 @@ class security_functions

 	function closeSale()
 	{
-		//deletes sessions vars 
-      session_unregister('items_in_sale'); 
-    	session_unregister('current_sale_customer_id'); 
-    	session_unregister('current_item_search'); 
-    	session_unregister('current_customer_search'); 
+
+	//deletes sessions vars
+        unset($_SESSION['items_in_sale']);                                      
+        unset($_SESSION['current_sale_customer_id']);                           
+        unset($_SESSION['current_sale_customer_id']);
+        unset($_SESSION['current_customer_search']);
+ 
 	}

 	function checkMembership($userID)