what is include in php

PHP include and require reprinted from: http://blog.sina.com.cn/s/blog_5d2673da0100cp6o.html? Include and require in different PHP versions of require (), include (), require_once () and include_once () Reprinted from:

 One of the most common PHP problems mentioned during the interview, I would like to share with you the many similarities and differences between require () and include. Understanding their differences is very important, otherwise it is easy to make

Php file call and several functions including include_once () require_once () include () require (. The require () statement includes and runs the specified file. The require () statement includes and runs the specified file. For details about how

Include_once & quot;./include/a. php & quot; and include_once & quot; ../include/a. php & quot; what is the difference ??? Include_once & quot;./include/a include_once "./include/a. php" and include_once "../include/a. php" What is the difference ???

Similarities and differences between require (), include (), require_once () and include_once. Require () and include () have many similarities and differences. Understanding their differences is very important, otherwise it is easy to make mistakes.

Require ()The require () statement includes and runs the specified file. The require () statement includes and runs the specified file. For details about how to work, see the include () document. Require () and include () are identical in all

After two php include operations, the variables in the first include operation are invalid. directory structure + & nbsp; root & nbsp; index. php & nbsp; config. php & nbsp; after two php include operations, the variables in the first include

Let's talk about the differences between require (), include (), require_once () and include_once () in php. This article introduces the usage and difference of four types of functions for calling external files in php. For more information, see.

For details about the require and include paths in PHP, requireinclude. For details about the require and include paths in PHP, the absolute path, relative path, and relative path of the undetermined paths refer. for example, detailed descriptions

The differences between include and require in PHP are described in detail. In PHP, include () and require () have the same functions. include (include_once) and require (require_once) both read the included file code to the specified location,