PHP 16 Magic Methods Detailed Introduction

PHP, which starts with two underscores, is called the Magic Method (Magic methods), which plays a pivotal role in PHP. Here is a detailed introduction, interested in the small friends can refer to.

PHP, which starts with two underscores, is called the Magic Method (Magic methods), which plays a pivotal role in PHP. Magic methods include:

• __construct (), constructor of class
• __destruct (), Destructor for class
• __call (), called when an inaccessible method is called in an object
• __callstatic (), called when a non-accessible method is called in a static manner
• __get (), which is called when a member variable of a class is obtained
• __set (), which is called when a member variable of a class is set
• __isset (), called when isset () or empty () is called on an inaccessible property
• __unset () is called when unset () is called on a non-accessible property.
• __sleep (), when executing serialize (), this function is called first
• __wakeup (), when executing unserialize (), this function is called first
• __tostring (), which is a method of responding when a class is treated as a string
• __invoke (), called when a function is called in a way that responds to an object
• __set_state (), this static method is called when the Var_export () export class is called.
• __clone (), called when the object copy is complete
• __autoload (), attempting to load an undefined class
• __debuginfo () to print the required debug information

For more information, please see below:

http://php.net/manual/zh/language.oop5.magic.php

Ext.: http://www.jb51.net/article/96167.htm

PHP 16 Magic Methods Detailed Introduction