public function validate()
{
$field_errors = parent::validate();
if ($field_errors !== true) {
foreach ($field_errors as $field_error => $valid) {
if ($valid == false) {
$this->add_warn_field($field_error);
//add default waning
if (isset($this->warning_messages[$field_error])) {
$this->add_warning($this->warning_messages[$field_error]);
}
}
}
}
return $field_errors === true;
}
