Learning OOP in PHP

A collection of resources to learn object-oriented programming and related concepts for PHP developers. Please see CONTRIBUTING for details and contribute. ;)

• Tutorials
  • OOP Fundamentals
  • OOP Advanced
  • Object Oriented Design
  • Design Patterns
  • Refactoring
  • Architecture
  • Miscellaneous
• Videos
• Slides
• Courses
• Books
• Some Questions

Tutorials

OOP Fundamentals

Object-oriented programming fundamentals tutorials.

• Object Introduction (►) - An introduction about objects and related concepts.
• Intro To Object Associations (►) - An introduction about object associations.
• Object-Oriented Programming (►) - An introduction about object-oriented programming in general.
• Getting Started with OOP in PHP (►) - Object-oriented programming introduction in PHP.
• Beginning OOP in PHP (►) - Another object-oriented programming introduction in PHP.
• Intermediate OOP in PHP (►) - Intermediate concepts about object-oriented programming in PHP.
• PHP OOP Tutorials (►) - Tutorials about OOP, Design Patterns and MVC.
• PHP Object Oriented Programming Fundamentals (►$) - An introduction course about object-oriented programming in PHP.
• OOP Official PHP Reference - PHP official reference about object-oriented programming.
• Object-Oriented PHP for Beginners - A tutorial about OOP in PHP for beginners.
• Introduction to OOP Concepts and More - A tutorial about OOP and an introduction to UML and Design Patterns.
• From Procedural to Object Oriented PHP - A tutorial from procedural to object-oriented programming in PHP.
• OOP vs Procedural Code - Difference between OOP and procedural code.

OOP Advanced

Object-oriented programming advanced tutorials.

• What Are Abstract Classes? - A tutorial explaining abstract classes in PHP.
• Abstract Classes and Interfaces (►) - Introduction about abstract classes and interfaces.
• When should I code to an Interface? - A tutorial explaining what is and when to use interfaces in PHP.
• Understanding and Applying Polymorphism in PHP - A tutorial explaining about abstract classes, interfaces and polymorphism in PHP.
• Inheritance and Polymorphism Concepts (►) - An introduction about inheritance and polymorphism.
• Beyond Inheritance - A tutorial explaining what is inheritance and its types.
• The Clean Code Talks - Inheritance, Polymorphism, & Testing (►) - A tutorial about polymorphism and how it affects testing.
• PHP Namespaces Explained - A tutorial explaining how namespaces works in PHP.
• PHP Namespaces - A tutorial explaining what is and how namespaces works in PHP.
• PHP Namespaces in 120 Seconds Tutorial (►) - A 120 seconds long tutorial explaining what is and how to use namespaces in PHP.
• PSR-Huh? - An introduction about PSR standards.
• Autoloading in PHP and the PSR-0 Standard - An introduction about what is autoloading in PHP and the PSR-0 standard.
• Battle of the Autoloaders: PSR-0 vs. PSR-4 - A tutorial explaining the difference between PSR-0 and PSR-4 autoloader standards.
• PSR-4 Autoloading (►$) - A tutorial explaining PSR-4 autoloader standard.

Object-Oriented Design

Object-oriented design tutorials.

• Object-Oriented Design in PHP (►$) - An introduction to object-oriented design in PHP.
• Object Oriented Design Cheat Sheet - A cheat sheet about object-oriented design.
• Principles Of Object Oriented Design - An introduction to some principles about object-oriented design.
• Foundations Of OO Design - Some thoughts about object-oriented design.
• How to Write Code That Embraces Change - An introduction to OOD principles like cohesion, orthogonality, coupling, SOLID and others.
• Build seven good object-oriented habits in PHP - A tutorial about good habits in OOP in PHP.
• 3 Key Software Principles You Must Understand - An introduction to DRY, KISS and YAGNI principles.
• From STUPID to SOLID Code! - An introduction to SOLID principles.
• Don't be STUPID: GRASP SOLID! - An introduction to SOLID principles in PHP.
• Don't Be Stupid, Grasp Solid - Slides - An introduction to SOLID and other OOD principles in PHP.
• The SOLID Principles - A series of tutorials about SOLID principles in PHP.
• The Single Responsibility Principle - An introduction to Single Responsibility Principle in PHP.
• The Open/Closed Principle - An introduction to Open/Closed Principle in PHP.
• Constructors and Breaking the Liskov Substitution Principle - An introduction to Liskov Substitution Principle in PHP.