code: public function getRouteUrl($name, array $params = array(), $relative = false)
  	{
  		$route = $this->router->getRoute($name);
  
  		$routeParams = [];
  		$query = [];
  		foreach ($params as $key => $value) {
  			if (is_int($key)) {
  				$routeParams[] = $value;
  			} else {
  				$query[$key] = $value;
  			}
  		}
  
  		$path = $this->routePathGenerator->getRoutePath($route, $routeParams);
  
  		if ($query) {
  			$path .= '?'.http_build_query($query);
  		}
  
  		if ($relative) {
  			$root = $this->requests->getCurrentRequest()
  				->getBaseUrl();
  		} else {
  			$root = $this->getRootUrl();
  		}
  
  		return $root . $path;
  	}
docs: Get the URL to a named route.
  
  @param  string $name
  @param  array  $params
  @param  bool   $relative
  
  @return string