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Benefits of php static methods

藏色散人
藏色散人Original
2019-08-27 13:34:166442browse

Benefits of php static methods

Benefits and disadvantages of php static methods

1. The static method is a member method in the class and belongs to The entire class can be called directly even without creating any objects!

2. Static methods are more efficient than instantiation. The disadvantage of static methods is that they are not automatically destroyed, while instantiated ones can be destroyed.

3. Static methods and static variables always use the same memory after creation, while using instances will create multiple memories.

4. In C, if the static keyword is added before a class method, the method is called a static method, otherwise it is an instance method. Static methods are owned by the class and can be used through objects or classes. However, it is generally recommended to use it through the class name, because static methods can be used as long as the class is defined and there is no need to create an instance of the class. Static methods can only use static members of the class.

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