Symfony\Component\Routing\Router::getMatcher PHP Method

    public function getMatcher()
    {
        if (null !== $this->matcher) {
            return $this->matcher;
        }

        if (null === $this->options['cache_dir'] || null === $this->options['matcher_cache_class']) {
            return $this->matcher = new $this->options['matcher_class']($this->getRouteCollection(), $this->context, $this->defaults);
        }

        $class = $this->options['matcher_cache_class'];
        $cache = new ConfigCache($this->options['cache_dir'].'/'.$class.'.php', $this->options['debug']);
        if (!$cache->isFresh($class)) {
            $dumper = new $this->options['matcher_dumper_class']($this->getRouteCollection());

            $options = array(
                'class'      => $class,
                'base_class' => $this->options['matcher_base_class'],
            );

            $cache->write($dumper->dump($options), $this->getRouteCollection()->getResources());
        }

        require_once $cache;

        return $this->matcher = new $class($this->context, $this->defaults);
    }

 public function loadRoutes($path, $options = array())
 {
     $filelocator = new FileLocator($path);
     $routeloader = new YamlFileLoader($filelocator);
     $router = new Router($routeloader, $path, $options);
     $matcher = $router->getMatcher();
     $routeCollection = $router->getRouteCollection();
     $context = $router->getContext();
     $this->dispatcher->addSubscriber(new HttpKernel\EventListener\RouterListener($matcher));
     $this->shared['url.generator'] = new UrlGenerator($routeCollection, $context);
     $this->router = $router;
     return $router->getRouteCollection();
 }