What is OOP in PHP? Object-Oriented Programming Explained with Examples

Object-Oriented Programming (OOP) in PHP is a programming style that organizes code into classes and objects, making it more modular, reusable, and scalable.

Instead of writing code using functions alone (procedural programming), OOP allows developers to structure their code using real-world entities.

Object-oriented programming has several advantages over procedural programming:

OOP is faster and easier to execute
OOP provides a clear structure for the programs
OOP helps to keep the PHP code DRY "Don't Repeat Yourself", and makes the code easier to maintain, modify and debug
OOP makes it possible to create full reusable applications with less code and shorter development time

PHP - What are Classes and Objects?

Classes and objects are the two main aspects of object-oriented programming.

Class: A blueprint for creating objects.

Object: An instance of a class that contains properties (variables) and methods (functions).

Look at the following illustration to see the difference between class and objects:

When the individual objects are created, they inherit all the properties and behaviors from the class, but each object will have different values for the properties.

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