Welcome to Part 04 of Object Oriented Programming using PHP in Urdu 2017 by Perfect Web Solutions.
In this video tutorial you will learn multi level inheritance in php oop
In object-oriented programming, inheritance enables new objects to take on the properties of existing objects. A class that is used as the basis for inheritance is called a superclass or base class. A class that inherits from a superclass is called a subclass or derived class
Derived classes in a class…