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What is Static Members ? Static properties and methods can be used without creating an instance of the class. The static keyword is used to declare properties and methods of a class as static. Object not create. Stack keyword use before access modifier. Inside class use self::(use static method). inherit use parent class name ::(properties). … Read more
What is Interfaces? Interfaces help us to use multiple classes in a single class inherit. Interfaces are declared with the interface keyword. Derived class is called derived class. object not be created in interface. Property should not be defined in interface(class). All interface methods must be public. All methods in an interface are abstract. To implement an … Read more