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Read the Docs of DesignPatternsPHPorDownload as PDF/Epub

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.

You should look at and run the tests to see what happens in the example.To do this, you should install dependencies withComposer first:

You can optionally run tests usingDocker for Mac orWindows or native one forLinux.Just run:

docker-compose up

If you wish to use a ready made VM environment, you can easily create one with Vagrant and Ansible.

$ vagrant up

Thenvagrant ssh andcd /vagrant

More information onvagrant

$ composer install

Read more about how to install and useComposer on your local machinehere.

$ ./vendor/bin/phpunit

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

• Adapter📓
• Bridge📓
• Composite📓
• DataMapper📓
• Decorator📓
• DependencyInjection📓
• Facade📓
• FluentInterface📓
• Flyweight📓
• Proxy📓
• Registry📓

• ChainOfResponsibilities📓
• Command📓
• Iterator📓
• Mediator📓
• Memento📓
• NullObject📓
• Observer📓
• Specification📓
• State📓
• Strategy📓
• TemplateMethod📓
• Visitor📓

• Delegation📓
• ServiceLocator📓 (is considered an anti-pattern! ⛔)
• Repository
• EAV📓

If you encounter any bugs or missing translations, please feel free to fork and send a pull request with your changes.To establish a consistent code quality, please check your code usingPHP_CodeSniffer againstPSR2 standard using./vendor/bin/phpcs -p --standard=PSR2 --ignore=vendor ..