difference between require and include in php

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.

 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

The difference between include and require in PHP, Includerequire 1. Overview The performance of the Require () statement is similar to include (), which includes and runs the specified file. The difference is that, for the include () statement, it

: This article mainly introduces the differences between require, include, require_once and include_once. For more information about PHP tutorials, see. 1. require () statement The require () statement is used to replace the specified file with the

To use a function defined in a file in a PHP script, you need to use the include (), include_once (), require (), and require_once (), a function library file is loaded into the script program. In the previous section we talked about how to use a

The difference between include and require in PHP is described in detail.1. Summary The performance of the require () Statement is similar to that of include (), which includes and runs the specified file. The difference is that for the include ()

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:

Ready to do a two-time development on a PHP open source program, and take this opportunity to learn a little bit about PHP system. I have probably learned a little bit of PHP, but because the work has not been used in this language, so slowly also

The difference between 1.echo and print The functions of Echo and print in PHP are basically the same (output), but there are subtle differences between the two. There is no return value after the echo output, but print has a return value and

Include () and require () statements include and run the specified file. The two structures are exactly the same on the contained files, and the only difference is the handling of errors. When the require () Statement encounters an error or the