BaseEventTypeController::isRequiredInUI PHP 메소드

    public function isRequiredInUI(BaseEventTypeElement $element)
    {
        return $element->isRequiredInUI();
    }

 /**
  * Is this element required in the UI? (Prevents the user from being able
  * to remove the element.).
  *
  * @param BaseEventTypeElement $element
  *
  * @return bool
  */
 public function isRequiredInUI(\BaseEventTypeElement $element)
 {
     if (isset($this->mandatoryElements)) {
         foreach ($this->mandatoryElements as $mandatoryElement) {
             if (get_class($element) === $mandatoryElement->class_name) {
                 return true;
             }
         }
     }
     return parent::isRequiredInUI($element);
 }