Introduction to OOP

OOP Tutorial Series (1/65). Prefer one article? Read the complete OOP tutorial.

Short description

OOP helps you model software as interacting objects. This series uses PHP examples and connects OOP to WordPress plugins/themes and Laravel.

Steps

1. Learn classes, objects, and encapsulation first.
2. Practice inheritance and interfaces.
3. Apply SOLID and build the final PHP project.

Learning path

Classes/objects → encapsulation/inheritance
Polymorphism/abstraction → SOLID
Patterns/MVC → PHP apps, WP, Laravel
Final OOP PHP project