apply_filters( 'pre_wp_is_site_initialized', bool|null $pre, int $site_id )

920	 * @since 5.1.0921	 *922	 * @param bool|null $pre     The value to return instead. Default null923	 *                           to continue with the check.924	 * @param int       $site_id The site ID that is being checked.925	 */926	$pre = apply_filters( 'pre_wp_is_site_initialized', null, $site_id );927	if ( null !== $pre ) {928		return (bool) $pre;929	}930 931	$switch = false;932	if ( get_current_blog_id() !== $site_id ) {