Hadori: from actions.class.php...

gistfile1.php

<?php

abstract class autoSf_guard_user_oldActions extends sfActions
{
  // .... 
  public function executeBatch(sfWebRequest $request)
  {
    if (!$ids = $request->getParameter('ids'))
    {
      $this->getUser()->setFlash('error', 'You must at least select one item.');
    }
    elseif (!$action = $request->getParameter('batch_action'))
    {
      $this->getUser()->setFlash('error', 'You must select an action to execute on the selected items.');
    }

    $method = sprintf('execute%s', ucfirst($action));
    $this->$method($request);  
  }
}