Wiki articles in category Tutorials tagged with "widget"

namespace app\components;

Note the tag {{homeUrl}} will be dynamically replaced at runtime.

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.