public function getText()
 {
     $str = parent::getText();
     $str = mb_convert_kana($str, "RANSKV");
     return $str;
 }
 /**
  * テキストを小文字にして返す
  *
  * @return string
  **/
 public function getText()
 {
     $text = parent::getText();
     return strtolower($text);
 }