Yii2 design pattern

Bookmark for researching :D

Abstract Factory
Factory Method
Builder
Adapter
Composite
Decorator
Facade
Proxy
Flyweight
Chain of responsibility
Command
Iterator
Observer
State
Strategy
Template method
Dependency Injection
Repository

Source: http://www.yiiframework.com/forum/index.php/topic/70584-design-pattern-used-in-yii-framework/