What is Inheritance?
It is a technique in which one class acquires the property of another class. With the help of inheritance, we can reuse the fields and methods of the existing class.
Inheritance has three type, are given below.
- Single inheritance
- Multiple inheritance
- Multi level inheritance
But PHP supports only single inheritance, where only one class can be derived from single parent class. We can also use multiple inheritance by using interfaces.
BY Best Interview Question ON 13 Jan 2019