This is a collection of known design patterns and some sample code how to implement them in PHP. Every pattern has a small list of examples (most of them from Zend Framework, Symfony2 or Doctrine2 as I'm most familiar with this software).

I think the problem with patterns is that often people do know them but don't know when to apply which.

The patterns can be structured in roughly three different categories. Please click on the 📓 for a full explanation of the pattern on Wikipedia.

• AbstractFactory 📓
• Builder 📓
• SimpleFactory
• FactoryMethod 📓
• StaticFactory
• Prototype 📓
• Singleton 📓 (is considered an anti-pattern! ⛔)
• Multiton (is considered an anti-pattern! ⛔)

• Adapter 📓
• Composite 📓
• Decorator 📓
• Facade 📓
• Proxy 📓
• Registry 📓
• FluentInterface 📓
• DataMapper 📓
• DependencyInjection 📓
• Flyweight 📓 | (new commit by Faizal Pribadi)

• ChainOfResponsibilities 📓
• Command 📓
• Iterator 📓
• Mediator 📓
• NullObject 📓
• Observer 📓
• StatusPattern 📓
• Strategy 📓
• TemplateMethod 📓
• Visitor 📓
• Memento 📓 | (new commit by Faizal Pribadi)
• Interpreter 📓 | (new commit by Faizal Pribadi)

Please feel free to fork and extend existing or add your own examples and send a pull request with your changes! To establish a consistent code quality, please check your code using PHP_CodeSniffer against this standard.

(The MIT License)

Copyright (c) 2013 Dominik Liebler

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