Yii2 Behavior

Yii2 Serialized Attributes Behavior

Yii2 ManyToMany Behavior

https://github.com/2amigos/yii2-taggable-behavior EXAMPLE

https://github.com/nighthtr/yii2-nested-sets

https://github.com/wokster/yii2-nested-sets-tree-behavior

https://github.com/paulzi/yii2-auto-tree

https://github.com/paulzi/yii2-adjacency-list

https://github.com/paulzi/yii2-nested-sets

https://github.com/paulzi/yii2-nested-intervals

https://github.com/paulzi/yii2-materialized-path

https://github.com/creocoder/yii2-nested-sets

https://github.com/matperez/yii2-materialized-path