Inheritance in PHP

1. What is inheritance in PHP with example?
2. What are the types of inheritance in PHP?
3. What is inheritance example?
4. Why do we use inheritance in PHP?
5. What is overriding in PHP?
6. What is PHP trait?
7. What is overriding in OOP?
8. What is polymorphism PHP?
9. What is name space in PHP?

What is inheritance in PHP with example?

Inheritance in OOP = When a class derives from another class. The child class will inherit all the public and protected properties and methods from the parent class. In addition, it can have its own properties and methods. An inherited class is defined by using the extends keyword.

What are the types of inheritance in PHP?

Types of Inheritance in PHP

What is inheritance example?

Inheritance is a mechanism in which one class acquires the property of another class. For example, a child inherits the traits of his/her parents. With inheritance, we can reuse the fields and methods of the existing class.

Why do we use inheritance in PHP?

Inheritance allows us to write the code only once in the parent, and then use the code in both the parent and the child classes. The child class can make use of all the non-private methods and properties that it inherits from the parent class.

What is overriding in PHP?

In function overriding, both parent and child classes should have same function name with and number of arguments. It is used to replace parent method in child class. The purpose of overriding is to change the behavior of parent class method. The two methods with the same name and same parameter is called overriding.

What is PHP trait?

Traits are a mechanism for code reuse in single inheritance languages such as PHP. A Trait is intended to reduce some limitations of single inheritance by enabling a developer to reuse sets of methods freely in several independent classes living in different class hierarchies.

What is overriding in OOP?

In any object-oriented programming language, Overriding is a feature that allows a subclass or child class to provide a specific implementation of a method that is already provided by one of its super-classes or parent classes.

What is polymorphism PHP?

Polymorphism is simply an OOP design pattern that allows multiple class with various functionalities to implement or share a common Interface. ... Polymorphism in PHP is implemented using the interface pattern. Think about interface as the skeleton or blueprint for your class which implements it.

What is name space in PHP?

Namespaces are qualifiers that solve two different problems: They allow for better organization by grouping classes that work together to perform a task. They allow the same name to be used for more than one class.