Nette\Forms\Container::getErrors PHP Метод

    public function getErrors()
    {
        $errors = [];
        foreach ($this->getControls() as $control) {
            $errors = array_merge($errors, $control->getErrors());
        }
        return array_unique($errors);
    }

 /**
  * Returns global validation errors.
  * @return array
  */
 public function getErrors()
 {
     return array_unique(array_merge($this->errors, parent::getErrors()));
 }