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What is php parent?

藏色散人

Feb 28, 2021 am 11:29 AM

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php parent represents "parent class" in object-oriented syntax. In essence, it represents the "class" of the parent class, not the "object" of the parent class. Its usage is "parent::property or method" ;".

What is php parent?

The operating environment of this tutorial: Windows 7 system, PHP 8 version, Dell G3 computer.

The parent keyword in PHP

parent means "parent". In object-oriented syntax, it represents "parent class"

——Essentially, it represents the "class" of the parent class, not the "object" of the parent class;

The usage method is:

parent::Attribute Or method; // Usually a static property or static method, but sometimes it may be an instance property or instance method;

Compare related 2 words:

# #Represents the object that calls the current methodmust be in a method$this-> [Recommended study: "

Keywords	Meaning	Usage location:	Usage example
parent:	represents the parent class (this class)	must be in a method	parent：：Property or method;
##self ：	Represents the current class it is in	must be in a method	self :: Static property or method;
$this ：			Instance attribute or method;

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