/** * Pole: telefon * * @param boolean $acl * @param string $fieldname * @param string $label * @return void */ public function phone($acl = false, $fieldname = 'phone', $label = 'Telefon:') { parent::phone($acl, $fieldname, $label); $element = $this->getElement($fieldname); $element->addFilters(array(new Logic_Filter_AlnumToNum())); }