Ouzo\Routing\Route::getRoutesForController PHP Method

    public static function getRoutesForController($controller)
    {
        return Arrays::filter(self::getRoutes(), function (RouteRule $route) use($controller) {
            return Strings::equalsIgnoreCase($route->getController(), $controller);
        });
    }

 private function controller()
 {
     $controller = $this->_input->getOption('controller');
     $this->_renderRoutes(Route::getRoutesForController($controller));
 }