PHP学习:include()和require()的区别
Jun 21, 2016 am 08:59 AM
include
once
php
require
warning
include()和require()的区别 这相信是PHP中最基本的问题了,也是很多公司面试时必考的题呵呵。
给大家复习一下:
require() :如果文件不存在,会报出一个fatal error.脚本停止执行
include() : 如果文件不存在,会给出一个 warning,但脚本会继续执行
这里特别要注意的是:
使用include()文件不存在时,脚本继续执行,这种情况只出现在PHP 4.3.5之前,这一点,往往被人忽视。
推荐使用require_once()和include_once(),可以检测文件是否有重复包含。
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

Hot Article
Repo: How To Revive Teammates
3 weeks ago
By 尊渡假赌尊渡假赌尊渡假赌
How Long Does It Take To Beat Split Fiction?
3 weeks ago
By DDD
R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
1 weeks ago
By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
3 weeks ago
By 尊渡假赌尊渡假赌尊渡假赌

Hot tools Tags

Hot Article
Repo: How To Revive Teammates
3 weeks ago
By 尊渡假赌尊渡假赌尊渡假赌
How Long Does It Take To Beat Split Fiction?
3 weeks ago
By DDD
R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
1 weeks ago
By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
3 weeks ago
By 尊渡假赌尊渡假赌尊渡假赌

Hot Article Tags

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

PHP 8.4 Installation and Upgrade guide for Ubuntu and Debian

How To Set Up Visual Studio Code (VS Code) for PHP Development
