A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: views/courses.php

Line Number: 6

Backtrace:

File: /www/wwwroot/zhixue.org/application/views/courses.php
Line: 6
Function: _error_handler

File: /www/wwwroot/zhixue.org/application/controllers/Home.php
Line: 140
Function: view

File: /www/wwwroot/zhixue.org/public/index.php
Line: 318
Function: require_once

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