yii2
,
behavior
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