do not generate warning on csrf_token being unassigned

diff --git a/backend.php b/backend.php
index 3b1208f316997965ba901716ca519eabec7c50e3..1337db5c2e86cc8eca2d57ba3246cacd4ad0152e 100644 (file)
--- a/backend.php
+++ b/backend.php
@@ -35,7 +35,7 @@
                return;
        }
 
-       $csrf_token = $_REQUEST['csrf_token'];
+       @$csrf_token = $_REQUEST['csrf_token'];
 
        require_once "functions.php";
        require_once "sessions.php";