check_read_sidebar_permission example

/** * Checks if a given request has access to get widgets. * * @since 5.8.0 * * @param WP_REST_Request $request Full details about the request. * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */
    public function get_items_permissions_check( $request ) {
        $this->retrieve_widgets();
        if ( isset( $request['sidebar'] ) && $this->check_read_sidebar_permission( $request['sidebar'] ) ) {
            return true;
        }

        foreach ( wp_get_sidebars_widgets() as $sidebar_id => $widget_ids ) {
            if ( $this->check_read_sidebar_permission( $sidebar_id ) ) {
                return true;
            }
        }

        return $this->permissions_check( $request );
    }