daktylos/libs/UrlHelper.class.php

<?php
class UrlHelper {
	public static function getApiTree() {

		$lowercaseRequestUri = strtolower($_SERVER['REQUEST_URI']);
		$removedApiPath = str_replace("/api/", "", $lowercaseRequestUri);
		$removedQueryString = explode("?", $removedApiPath)[0];
		return explode("/", $removedQueryString);
	}

	public static function getTree() {
		return explode("/", str_replace("?".$_SERVER['QUERY_STRING'], "", trim(strtolower($_SERVER['REQUEST_URI']),"/")));
	}

}