Detailed introduction to custom function libraries

What is a custom function library? A function library is not a PHP syntax for defining functions, but a design pattern in programming. Functions are modules of structured programming and are the core of code reuse. In order to better organize the code, customized functions can be used in multiple files in the same project. Multiple customized functions are usually organized into the same file or multiple files. These files that collect function definitions are used to create PHP function libraries. If you want to use the functions defined in these files in a PHP script, you need to use one of the include(), include_once(), require() and require_once() functions to load the function library file into the script program. PHP uses the custom function library include() and require() to introduce the performance of the require() statement and include(), which both include and run the specified file. The difference is that for the include() statement, it must be read and evaluated every time when executing the file; and for r

1. How to use self in php Define function library

Introduction: Function library is not the PHP syntax for defining functions, but the programming method A design pattern. Functions are modules of structured programming and are the core of code reuse. In order to better organize the code, custom functions can be used in multiple files in the same project,

2. ThinkPHP323 Custom Function Library

Introduction:: This article mainly introduces the ThinkPHP323 custom function library. Students who are interested in PHP tutorials can refer to it. one time.

3. How to use a custom function file to rewrite a function in another php

Introduction: How Use a custom function file to rewrite a function in another php. This post was last edited by qq37431300 on 2014-01-16 10:28:54 In order not to modify the system files of the program and prevent the modified files from being overwritten during future upgrades, I want to create a new custom function library file: extension.php and include this extentio

4. ThinkPHP 3.2.2 How to call the custom function library. (Newbie)

Introduction: How to call a custom function library in ThinkPHP 3.2.2. (Newbie asking for help) I wrote the custom function in common.php. Searching for information on the Internet says that this file will be automatically loaded. . But it still doesn't work when I call the method. What to do. Newbie asking for help. ------Solution--------------------Version 3.2 has been changed to function.php, which was previously Common.php

5. How to use a custom function file to rewrite a function in another php

Introduction: How to use a custom function file to rewrite a function in another php Another function in PHP is rewritten. This post was last edited by qq37431300 on 2014-01-16 10:28:54. In order not to modify the system files of the program and prevent the files modified after future upgrades from being overwritten during upgrades, I wanted to do it myself. Create a new custom function library file: extension.php, and include this extentio

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