A PHP Error was encountered

Severity: Warning

Message: Undefined array key 0

Filename: controllers/Courses.php

Line Number: 78

Backtrace:

File: /var/www/html/application/controllers/Courses.php
Line: 78
Function: _error_handler

File: /var/www/html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "pexels_photo" on null

Filename: controllers/Courses.php

Line Number: 78

Backtrace:

File: /var/www/html/application/controllers/Courses.php
Line: 78
Function: _error_handler

File: /var/www/html/index.php
Line: 315
Function: require_once