A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_REFERER"

Filename: controllers/Shop.php

Line Number: 239

Backtrace:

File: /home/mckinsey/public_html/application/controllers/Shop.php
Line: 239
Function: _error_handler

File: /home/mckinsey/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

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

Filename: controllers/Shop.php

Line Number: 239

Backtrace:

File: /home/mckinsey/public_html/application/controllers/Shop.php
Line: 239
Function: explode

File: /home/mckinsey/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Undefined array key -1

Filename: controllers/Shop.php

Line Number: 245

Backtrace:

File: /home/mckinsey/public_html/application/controllers/Shop.php
Line: 245
Function: _error_handler

File: /home/mckinsey/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_REFERER"

Filename: controllers/Shop.php

Line Number: 278

Backtrace:

File: /home/mckinsey/public_html/application/controllers/Shop.php
Line: 278
Function: _error_handler

File: /home/mckinsey/public_html/index.php
Line: 318
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: 534

Backtrace:

File: /home/mckinsey/public_html/application/controllers/Shop.php
Line: 278
Function: redirect

File: /home/mckinsey/public_html/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/mckinsey/public_html/system/core/Exceptions.php:271)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /home/mckinsey/public_html/application/controllers/Shop.php
Line: 278
Function: redirect

File: /home/mckinsey/public_html/index.php
Line: 318
Function: require_once