How to force output error in php

藏色散人
Release: 2023-03-04 06:52:02
Original
3457 people have browsed it

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);".

How to force output error in php

Recommendation: "PHP Video Tutorial"

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
Copy after login

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
Copy after login

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);
Copy after login

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

The above is the detailed content of How to force output error in php. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
php
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template