A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/switchlang.php

Line Number: 11

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/cp851856/public_html/showerking.co.th/system/core/Exceptions.php:186)

Filename: helpers/url_helper.php

Line Number: 543