Symfony 2 Get All Form Errors

FormErrors.php

<?php
namespace Chyrius\SiteBundle\Form;

use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Form\Form;

/**
 * @todo Обрабатывать так же ошибки детей-детей
 */
class FormErrors
{
    private $container;

    /**
     * @param \Symfony\Component\Form\Form $form
     */
    public function __construct(ContainerInterface $container)
    {
        $this->container = $container;
    }

    /**
     * @param \Symfony\Component\Form\Form $form
     * @return array
     */
    public function getFormErrors(Form $form)
    {
        //
        if ($err = $this->childErrors($form)) {
            $errors["form"] = $err;
        }

        //
        foreach ($form->all() as $key => $child) {
            //
            if ($err = $this->childErrors($child)) {
                $errors[$key] = $err;
            }
        }

        return $errors;
    }

    /**
     * @param \Symfony\Component\Form\Form $form
     * @return array
     */
    public function childErrors(Form $form)
    {
        $errors = array();

        foreach ($form->getErrors() as $error) {
            // Переведем ошибку, если есть перевод
            $message = $this->container->get('translator')->trans($error->getMessage(), array(), 'validators');
            array_push($errors, $message);
        }

        return $errors;
    }
}

services.yml

services:
  chyrius.form_errors:
      class: Chyrius\SiteBundle\Form\FormErrors
      arguments: [ @service_container ]