Severity: Notice

Message: Array to string conversion

Filename: core/Exceptions.php

Line Number: 159

Backtrace:

File: C:\phpstudy_pro\WWW\hyh\application\controllers\School.php
Line: 87
Function: count_all_results

File: C:\phpstudy_pro\WWW\hyh\index.php
Line: 348
Function: require_once