变量的定义

A PHP Error was encountered

Severity: Notice

Message: Undefined index: content

Filename: pc/subject_chapter.php

Line Number: 15

Backtrace:

File: /u32g/htdocs/ixuee/application/views/pc/subject_chapter.php
Line: 15
Function: _error_handler

File: /u32g/htdocs/ixuee/application/core/MY_Loader.php
Line: 26
Function: _ci_load

File: /u32g/htdocs/ixuee/application/controllers/Subject.php
Line: 33
Function: view

File: /u32g/htdocs/ixuee/public/index.php
Line: 315
Function: require_once

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