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This article will explain in detail how to use the interface interface in php. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

Detailed explanation of php Interface interface

1. If all methods in a class are abstract methods, then the abstract class can be declared as an interface.

two。 Interface is a special abstract class, in which there can only be abstract methods and common sense.

3. The abstract method in the interface can only be public decorated, which can be omitted, and the default is public.

4. Implement the interface through the implements keyword.

5. Methods in an interface cannot be decorated with the abstract and final keywords.

/ / Interface interface IPerson {const ADD = "China"; function fun1 (); function fun2 ();} / / implement class Student implements IPerson {public function fun1 () {} public function fun2 () {}} / / access the constant echo IPerson::ADD in the interface This is the end of the article on "how to use interface in php". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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