Listing 23.4. Metoda showAction() akcji index/show
public function showAction()
{
    $Tren = new Application_Model_DbTable_Tren();
    $id = $this->getRequest()->getParam('tren_id');
    $select = $Tren->select()->where('tren_id = ?', $id);
    $this->view->tren = $Tren->fetchRow($select);
    if (!$this->view->tren) {
        throw new Zend_Controller_Action_Exception('Błąd', 404);
    }
}