How to force output error in php

How to force php to output errors: 1. Modify the content of "php.ini" to "display_errors = On;"; 2. Output the error message to a text file; 3. In "index.php" Add the content "ini_set('display_errors', true);".

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PHP Forced Output Error Message

1. Modify php.ini

;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

2. PHP file output

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

The online server turns off the PHP error message. When you need to debug the online code, you can dynamically To enable it, add the following code to index.php

ini_set('display_errors', true);
error_reporting(E_ALL ^ E_WARNING ^ E_NOTICE);

Related introduction:

In PHP, the default error handling is very simple. An error message is sent to the browser with the file name, line number, and a message describing the error.

PHP Error Handling

Error handling is an important part when creating scripts and web applications. If your code lacks error detection coding, the program will look unprofessional and open the door to security risks.

Different error handling methods:

• Simple "die()" statement

• Custom errors and error triggering Device

• Error Report

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