A PHP Error was encountered

Severity: Notice

Message: Undefined variable: username

Filename: models/Logout_model.php

Line Number: 23

Backtrace:

File: /var/www/STM/application/models/Logout_model.php
Line: 23
Function: _error_handler

File: /var/www/STM/application/controllers/Logout.php
Line: 22
Function: check_logout

File: /var/www/STM/index.php
Line: 292
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: pass

Filename: models/Logout_model.php

Line Number: 23

Backtrace:

File: /var/www/STM/application/models/Logout_model.php
Line: 23
Function: _error_handler

File: /var/www/STM/application/controllers/Logout.php
Line: 22
Function: check_logout

File: /var/www/STM/index.php
Line: 292
Function: require_once