What is Object Oriented Programming?
Object: An object is an entity. A thing from the real world. A thing that you want to store and process data about.
Class: A class is a blueprint or template for creating objects. It defines the structure and behavior of objects. In a class, variables are called properties and functions are methods.
OOP: A programming paradigm that structures software development around classes and objects, rather than functions and logic.
4 Pillars of Object Oriented Programming (OOP)
Encapsulation: Hiding data and complexity. bundles data and methods into a single unit restricting access to internal details and providing controlled access.
Inheritance: Hierarchy of classes. allows a class to inherit properties and behaviors from a parent class promoting code reuse and creating a natural hierarchy of classes.
PHP is a single inheritance programming language.
Polymorphism: Many forms of an object. Enables a single method to behave differently based on the object calling it, allowing for dynamic and flexible code.
Different forms of the same type of object with the same interface can behave in different ways.
Abstraction: Simplify reality. Hides complex implementation details exposing only the essential features of an object making the system easier to use and manage.
