A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_ACCEPT_LANGUAGE"

Filename: controllers/Home.php

Line Number: 17

Backtrace:

File: /home/restopage/public_html/my/application/controllers/Home.php
Line: 17
Function: _error_handler

File: /home/restopage/public_html/my/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: substr(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: controllers/Home.php

Line Number: 17

Backtrace:

File: /home/restopage/public_html/my/application/controllers/Home.php
Line: 17
Function: substr

File: /home/restopage/public_html/my/index.php
Line: 315
Function: require_once