MDC extension for Yii2 framework contains all necessary files in addition to php classes to be used while programming, These classes will help you save time when creating your application components and html.
With Composer installed, you can install Yii2 MDC extension by running the following command under the framework directory:
composer require vip9008/yii2-mdc
You can also update the extension to the latest version by running the following command:
composer update vip9008/yii2-mdc