WP_REST_Widgets_Controller::create_item() WordPress Method

	public function create_item( $request ) {
		$sidebar_id = $request['sidebar'];

		$widget_id = $this->save_widget( $request, $sidebar_id );

		if ( is_wp_error( $widget_id ) ) {
			return $widget_id;
		}

		wp_assign_widget_to_sidebar( $widget_id, $sidebar_id );

		$request['context'] = 'edit';

		$response = $this->prepare_item_for_response( compact( 'sidebar_id', 'widget_id' ), $request );

		if ( is_wp_error( $response ) ) {
			return $response;
		}

		$response->set_status( 201 );

		return $response;
	}