PHP中都有哪几种查错方法？

1、语法检查--php配置文件里，把错误显示选项都打开或者代码开始部分，加error_reporting(E_ALL)
2、逻辑检查--设置断点，在断点前写日志 error_logs($message);exit();
3、HTTP调试--用抓包工具或者firebugs工具跟踪代码运行的全过程

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