gistfile1.php[345]

<?php
/* nella tua action */
  public function executeFoo()
  {
      
      $this->form = myWonderfulForm($this->getUser());
      
  }

/*nella tua myWonderfulForm*/
class myWonderfulForm extends BaseContactsForm
{
  private $user;
  
  
  public function __construct(sfUser $user, $object = null, $options = array(), $CSRFSecret = null)
  {
      $this->user = $user;
      parent::__construct($object = null, $options = array(), $CSRFSecret = null);
  }
  
}