WP_REST_Widgets_Controller::get_item() WordPress Method

	public function get_item( $request ) {
		$this->retrieve_widgets();

		$widget_id  = $request['id'];
		$sidebar_id = wp_find_widgets_sidebar( $widget_id );

		if ( is_null( $sidebar_id ) ) {
			return new WP_Error(
				'rest_widget_not_found',
				__( 'No widget was found with that id.' ),
				array( 'status' => 404 )
			);
		}

		return $this->prepare_item_for_response( compact( 'widget_id', 'sidebar_id' ), $request );
	}