public function preClean($values)
{
$method = isset($values['method']) && in_array($values['method'], $this->paymentMethods, true) ? $values['method'] : reset($this->paymentMethods);
// make sure to ignore fields of methods which were not selected
$passValidator = new sfValidatorCallback(array('callback' => array($this, 'validatorPass')));
foreach ($this->paymentMethods as $pMethod) {
if ($pMethod === $method) {
continue;
}
$this->fields['method_' . $pMethod] = $passValidator;
}
parent::preClean($values);
}
