List all routes implemented by current controller

get_controller_routes.php

<?php
/**
     * Return route names and details provided by the controller.
     * Source: http://stackoverflow.com/questions/15943780/symfony2-get-list-of-all-routes-of-a-controller/15950365#15950365
     * @return null
     */
    protected function getControllerRoutes() {

        /**
         * @var $router \Symfony\Component\Routing\Router
         * @var $collection \Symfony\Component\Routing\RouteCollection
         * @var $params \Symfony\Component\Routing\Route
         */

        $schemeAndHttpHost = $this->getRequest()->getSchemeAndHttpHost();

        $router = $this->container->get('router');

        $collection = $router->getRouteCollection();
        $allRoutes = $collection->all();

        $routes = array();

        foreach ($allRoutes as $route => $params)
        {
            $defaults = $params->getDefaults();

            if (isset($defaults['_controller']))
            {
                $controllerAction = explode(':', $defaults['_controller']);
                $controller = $controllerAction[0];

                if (!isset($routes[$controller])) {
                    $routes[$controller] = array();
                }

                $routes[$controller][]= array($route => array(
                    'url' => $schemeAndHttpHost.$params->getPath(),
                    'methods' => $params->getMethods(),
                    'schemes' => $params->getSchemes(),
                ));
            }
        }

        return isset($routes[get_class($this)]) ?
            $routes[get_class($this)] : null ;
    }