Before we introduce the interface, we need to know why to use the interface, here to introduce you. So why use an interface? In computer languages, only a handful of object-oriented objects support multiple inheritance, and the PHP language we learn,
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This section describes how to encapsulate and inherit multi-state rewriting.
Content described in this section
Encapsulation
Inheritance
Polymorphism
Heavy load
Rewrite
Preface
Like JAVA object-oriented, PHP has three main features:
PHP methods are not overloaded, so-called method overloading is to define the same method name, through the "number of parameters" different or "parameter type", to access our different methods of the same method name, inheritance is an important
Atitit. Principles for implementing inheritance and methods java JavaScript. NET C # php ...1. Implementation of inheritance issues 12. How do I copy a base class method? Using the prototype prototype, by impersonating object 13.2. How do
Methods in PHP cannot be overloaded. The so-called method overload means defining the same method name. The number of parameters is different or the type of parameters is different, to access different methods with the same method name. inheritance
One of the characteristics of object-oriented is inheritance. Most object-oriented programming languages support two inheritance Methods: interface inheritance and implementation inheritance. Interface inheritance only inherits the method signature,
Inheritance, as one of the three important features of object-oriented, plays an extremely important role in the object-oriented field. it seems that we have not heard of any object-oriented language that does not support inheritance.
11. class
Inheritance, as one of the three important features of object-oriented, plays an extremely important role in the object-oriented field. it seems that we have not heard of any object-oriented language that does not support inheritance.
11. class
11. class inheritance
Inheritance, as one of the three important features of object-oriented, plays an extremely important role in the Object-Oriented field,
It seems that I have never heard of any object-oriented language that does not support
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