Php object-oriented magic methods description in Chinese _ PHP Tutorial

Php object-oriented magic methods are described in Chinese. 1. the _ construct () instantiated object is automatically called. When _ construct and a function with the class name exist at the same time, _ construct is called, and the other one does not call it back. Function name function 1. _ construct ()

The instantiated object is automatically called. When _ construct and a function with the class name exist at the same time, _ construct is called, and the other one does not call it back.

The class name function is the old version of the constructor.

2. _ destruct ()

When an object or object is deleted, it is called.

3. _ call ()

Object to call a method. If the method does not exist, call the _ call method.

4. _ get ()

Read an object property. if the object property is private, it will be called.

5. _ set ()

When an object property is assigned a value, if the property is private, it will be called.

6. _ toString ()

When printing an object, it is called.

7. _ clone ()

Called when an object is cloned, for example, $ a = new test (); $ a1 = clone $;

8. _ sleep ()

Serialize is called before. if the object is large, you can use it to delete something before serialization.

9. _ wakeup ()

Unserialize is called to initialize objects.

10. _ isset ()

Checks whether an object's attribute exists. if the detected attribute is private, it is called.

11. _ unset ()

When deleting an object property, if the deleted object property is private, it will be called.

12. _ set_state ()

Called when var_export is called. Use the return value of _ set_state as the return value of var_export.

13. _ autoload ()

When instantiating an object, if the corresponding class does not exist, the method will be deprecated.

The http://www.bkjia.com/PHPjc/736805.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/736805.htmlTechArticle1.__construct () instantiated object is called automatically. When _ construct and a function with the class name exist at the same time, _ construct is called, and the other one does not call it back. Function name...