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How to abstract a class? Why Abstract classes? What is the role? What is polymorphism? How to achieve polymorphism?

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How to abstract a class? Why Abstract classes? What is the role? What is polymorphism? How to achieve polymorphism? How to abstract a class? Why Abstract classes? What is the role? What is polymorphism? How to achieve polymorphism?
In writing, we can't help but talk about how we understand these characteristics of object-oriented.


Reply to discussion (solution)

Since it is a discussion, let's talk about it first.

Abstraction means giving full play to your imagination.

Does PHP have polymorphism?

Does PHP have polymorphism?
... Do not comment

Does PHP have polymorphism?
I heard there is. Haha.

I used words to describe my thoughts. isn't it actually written?

In fact, your problem itself is an abstract class, and all replies are implemented with polymorphism.

Upstairs ~~ Hahaha

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Related Keywords:
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