# php yii > Yii Framework's command-line interface. > More information: . - Start PHP's built-in web server for the current Yii application: `php yii {{serve}}` - Generate a controller, views and related files for the CRUD actions on the specified model class: `php yii {{gii/crud}} --modelClass={{ModelName}} --controllerClass={{ControllerName}}` - Display help: `php yii {{help}}`