CakePHP3：delete.ctp内の日付分けの覚え書き

  <tr>
    <td bgcolor="#8FF">日付</td>
    <?php
     $ngp = explode('/',$entity['date']) ;
     $_year  = $ngp[2] ;
     $_month = $ngp[0] ;
     $_day   = $ngp[1] ;
     ?>
    <td>20<?=$_year ?>/<?=$_month ?>/<?=$_day ?></td>
  </tr>