index.php 文件内容如下：
<?php
require 'ThinkPHP.php';
?>

报错如下：
Fatal error: Cannot redeclare g() (previously declared in C:\Program Files\Apache Software Foundation\Apache2.2\htdocs\Common\common.php:25) in C:\Program Files\Apache Software Foundation\Apache2.2\htdocs\Common\common.php on line 35

请高手指导，谢谢