A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/demo.php

Line Number: 17

Backtrace:

File: D:\HostingSpaces\alharam\alharam.co.il\wwwroot\application\controllers\demo.php
Line: 17
Function: _error_handler

File: D:\HostingSpaces\alharam\alharam.co.il\wwwroot\index.php
Line: 292
Function: require_once