eZ\Publish\Core\REST\Server\Controller\Content::forward PHP Method

    protected function forward($controller)
    {
        $path['_controller'] = $controller;
        $subRequest = $this->container->get('request_stack')->getCurrentRequest()->duplicate(null, null, $path);
        return $this->container->get('http_kernel')->handle($subRequest, HttpKernelInterface::SUB_REQUEST);
    }