Summary table of the uses and functions of commonly used magic methods in PHP

This article mainly talks about the use and function of common magic methods in PHP. Friends who are interested can save it in case they need it. I hope it can help you.

What are PHP magic methods?

When defining a class, methods starting with two underscore characters (__) are all magic methods, and the method names are all pre-defined by PHP, each of which has magic functions.

So when we define a method ourselves, we do not recommend starting with two underscore characters, as this will confuse it with PHP's magic method.

The following table is a summary of the uses and effects of commonly used magic methods:

##__isset There is a parameter __isset (the attribute name to be judged) Used to detect whether the private attribute exists__unsetThere is a parameter __unset (the deleted attribute name) Used to delete private attributes##__call

Magic method	Calling method	## Function
__set	There are two parameters __set (attribute name, attribute value)	Modify private attributes
__get	There is a parameter __get(attribute Name)	View private properties
## has two parameters __call(function name, function value)	If there is no such function in the class, this function will be executed

##Related tutorials:

PHP video tutorial

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