Dinamic Menu Widget

class submenu_dinamic extends WP_Widget {

	public function __construct() {

		parent::__construct(
			'sbmndnmc',
			__( 'Submenu Dinamico', 'wordpress' ),
			array(
				'description' => __( 'Menu dinamico in sidebar', 'wordpress' ),
				'classname'   => 'sbmndnmc',
			)
		);

	}

	public function widget( $args, $instance ) {

		echo "test";

	}

	public function form( $instance ) {

	}

	public function update( $new_instance, $old_instance ) {

	}

}

function sbmndnmc_register_widgets() {
	register_widget( 'submenu_dinamic' );
}
add_action( 'widgets_init', 'sbmndnmc_register_widgets' );