classes/Routing/UrlGenerator.php
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 . $path;
	}
public function getRouteUrl($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;
	}
Get the URL to a named route.

@param  string $name
@param  array  $params
@param  bool   $relative

@return string