With Yii Framework 2.0, one of the many changes, that Yii 1.x developers will face is removal of all client helpers and revamp of the CClientScript functionality. For example no more CHtml::ajaxLink or Html::ajaxLink. How do you cater to such requirements in Yii 2.0?
If you are coming over to Yii 2 from Yii 1.x, you may have already read this useful wiki for creating dependent dropdowns.
You can use a similar approach in Yii 2 to do the same. But if you are looking at a prebuilt solution that helps you manage it easier, read along.
This article is based on fr0d0z's article Integrating Wordpress and Yii: still another approach, using Yii as the router/controller and provides more details on how to set up this integration.To be more specific,the idea is not to use any main.php layout in Yii's controllers.This gives the advantage that we do not need to modify any Yii code when we switch a theme in WordPress admin panel,provided we have done a very basic setup which I explain below.