add_image_to_index example

    protected function add_site_logo_to_index( WP_REST_Response $response ) {
        $site_logo_id = get_theme_mod( 'custom_logo', 0 );

        $this->add_image_to_index( $response, $site_logo_id, 'site_logo' );
    }

    /** * Exposes the site icon through the WordPress REST API. * * This is used for fetching this information when user has no rights * to update settings. * * @since 5.9.0 * * @param WP_REST_Response $response REST API response. */