user_trailingslashit( string $url, string $type_of_url = '' ): string

47function user_trailingslashit( $url, $type_of_url = '' ) {48	global $wp_rewrite;49	if ( $wp_rewrite->use_trailing_slashes ) {50		$url = trailingslashit( $url );51	} else {52		$url = untrailingslashit( $url );53	}54 55	/**56	 * Filters the trailing-slashed string, depending on whether the site is set to use trailing slashes.57	 *58	 * @since 2.2.059	 *60	 * @param string $url         URL with or without a trailing slash.61	 * @param string $type_of_url The type of URL being considered. Accepts 'single', 'single_trackback',62	 *                            'single_feed', 'single_paged', 'commentpaged', 'paged', 'home', 'feed',63	 *                            'category', 'page', 'year', 'month', 'day', 'post_type_archive'.64	 */65	return apply_filters( 'user_trailingslashit', $url, $type_of_url );66}