abstract class and interface in php

Abstract class 1. An abstract class is a class that has an abstract keyword in front of the class and an abstraction method (which adds the abstract keyword before the class method function keyword). 2. Abstract classes cannot be instantiated

Transferred from: http://blog.csdn.net/sunlylorn/article/details/6124319Abstract class1. An abstract class is a class that has an abstract keyword in front of the class and an abstraction method (which adds the abstract keyword before the class

Interface differs from abstract class, interface abstract class difference What is the difference between an interface and an abstract class What is the basis of your choice to use interfaces and abstract classes? The concepts of interfaces and

Normal07.8 磅02falsefalsefalseMicrosoftInternetExplorer4 Abstract class 1. An abstract class is a class that has an abstract keyword in front of the class and an abstraction method (which adds the abstract keyword before the class method

This article mainly introduces the php interface and abstract class examples, and explains in detail. if you need them, you can refer to section 1. abstract class 1. abstract class refers to a class with abstract keywords added before the class and

This article mainly introduces the php interface and abstract class examples, and explains in detail. if you need them, you can refer to section 1. abstract class 1. abstract class refers to a class with abstract keywords added before the class and

Abstract class 1. An abstract class is a class that has an abstract keyword in front of the class and an abstraction method (which adds the abstract keyword before the class method function keyword). 2. Abstract classes cannot be instantiated

What is the difference between an interface and an abstract classWhat is the basis of your choice to use interfaces and abstract classes?The concepts of interfaces and abstract classes are different. An interface is an abstraction of an action, and

Recently began to learn php+mysqL, recorded in the learning process of the key content, and then consider the development of the site's process also write a series of blogs. This blog mainly introduces the difference between Abstract Class and

  This article mainly introduces the PHP interface and abstract class use examples, and did a detailed explanation, the need for friends can refer to the following Abstract class 1. An abstract class is a class that has an abstract keyword in