gistfile1.php

...
  public function formAction(Request $request, $id)
  {
    
    $task = new Task();

    if ($request->getMethod() == 'GET')
    {
      $task->setTask('Новая задача');
      $task->setDueDate(new \DateTime('tomorrow'));
      
      $tag_list = array('PHP 5.3', 'Symfony 2.1', 'Propel 1.6');
      $tags = array();
      foreach ($tag_list as $tag_name)
      {
        $tag = new Tag();
        $tag->setTag($tag_name);
        $task->addTag($tag);
      }
    }
    
    $form = $this->createForm(new TaskType(), $task);
    
    return $this->render('AppCommonBundle:Learning:form.html.twig', array(
        'form'  => $form->createView(),
    ));
  }
...