A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_REFERER"

Filename: controllers/Main.php

Line Number: 61

Backtrace:

File: /home1/xjiemgmy/public_html/KingsNet/app/controllers/Main.php
Line: 61
Function: _error_handler

File: /home1/xjiemgmy/public_html/KingsNet/index.php
Line: 303
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated

Filename: helpers/url_helper.php

Line Number: 535

Backtrace:

File: /home1/xjiemgmy/public_html/KingsNet/app/controllers/Main.php
Line: 61
Function: redirect

File: /home1/xjiemgmy/public_html/KingsNet/index.php
Line: 303
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home1/xjiemgmy/public_html/KingsNet/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 565

Backtrace:

File: /home1/xjiemgmy/public_html/KingsNet/app/controllers/Main.php
Line: 61
Function: redirect

File: /home1/xjiemgmy/public_html/KingsNet/index.php
Line: 303
Function: require_once