A PHP Error was encountered

Severity: Notice

Message: Undefined property: Gio_hang::$cart

Filename: controllers/Gio_hang.php

Line Number: 56

Backtrace:

File: /www/wwwroot/pinaco.com/application/controllers/Gio_hang.php
Line: 56
Function: _error_handler

File: /www/wwwroot/pinaco.com/index.php
Line: 318
Function: require_once

An uncaught Exception was encountered

Type: Error

Message: Call to a member function contents() on null

Filename: /www/wwwroot/pinaco.com/application/controllers/Gio_hang.php

Line Number: 56

Backtrace:

File: /www/wwwroot/pinaco.com/index.php
Line: 318
Function: require_once