/**
* @param string $field_name
*
* @return array
*/
private function _set_validators(Element &$element, $field_name)
{
$messages = $this->getCustomMessages();
$rules_values = $this->getRules();
$rules_values = isset($rules_values[$field_name]) ? $rules_values[$field_name] : null;
if (!is_null($rules_values)) {
$rules = explode('|', $rules_values);
}
if (!is_null($rules) && count($rules) > 0) {
foreach ($rules as $rule) {
$validator = $this->_get_validator($field_name, $rule, $messages);
if (!is_null($validator)) {
$element->addValidator($validator);
}
}
}
}
