OOP

This course develops object-oriented thinking from first principles using PHP 8.3+. It focuses on why objects exist, how responsibilities should be distributed, and how collaborating objects can keep backend code clear and safe as a system grows.

What this course will cover

• Procedural and object-oriented programming paradigms.
• PHP foundations required for object-oriented code.
• Classes, objects, state, behavior, and identity.
• Encapsulation and valid object state.
• Relationships and collaboration between objects.
• Inheritance, composition, polymorphism, and contracts.
• Responsibility-driven design, dependency injection, and SOLID.
• Code smells, refactoring, and design patterns.
• Testing object-oriented code.
• Advanced PHP object features and Laravel integration.
• A practical backend project that brings the concepts together.

Lessons are published gradually after their corresponding study checkpoints have been completed and assessed.