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Editor to share with you what the relationship between php classes and objects is, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

To put it simply, the class is the mother of the object.

1. An object is an actual thing or operation flow generated by a class, a process called instantiation (the process of making an actual example or object).

two。 Classes are abstracted from multiple objects or imagined, and the process of abstract summary is called abstraction (to put it simply: to extract the actual features together to form a concept that is abstraction)

3. The actual features are extracted and summarized together to form a concept, that is, abstraction, and to put the concept into practice is to instantiate.

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