How to output all error messages in php

Method 1: Modify the php.ini configuration file

;显示错误信息 display_errors = On ;显示php开始错误信息 display_startup_errors = On ;日志记录错误信息 log_errors = On

Method 2: Add the following information to the first line of the php file that needs to be debugged

ini_set('display_errors',1); //错误信息 ini_set('display_startup_errors',1); //php启动错误信息 error_reporting(-1); //打印出所有的 错误信息 ini_set('error_log', dirname(__FILE__) . '/error_log.txt'); //将出错信息输出到一个文本文件

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