A PHP Error was encountered

Severity: Notice

Message: Undefined index: content

Filename: core/My_Controller.php

Line Number: 68

Backtrace:

File: /www/web/360hyh_cn/public_html/application/core/My_Controller.php
Line: 68
Function: _error_handler

File: /www/web/360hyh_cn/public_html/application/core/My_Controller.php
Line: 10
Function: _init

File: /www/web/360hyh_cn/public_html/application/controllers/School.php
Line: 6
Function: __construct

File: /www/web/360hyh_cn/public_html/index.php
Line: 358
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Array to string conversion

Filename: core/Exceptions.php

Line Number: 159

Backtrace:

File: /www/web/360hyh_cn/public_html/application/models/School_model.php
Line: 21
Function: get

File: /www/web/360hyh_cn/public_html/application/controllers/School.php
Line: 26
Function: lesson_list

File: /www/web/360hyh_cn/public_html/index.php
Line: 358
Function: require_once

Array