endif、endforeach

<?php if ($a == 5): ?>
  <div>等于5</div>
<?php elseif ($a == 6): ?>
  <div>等于5</div>
<?php else: ?>
  <div>不是5就是6</div>
<?php endif; ?>

<?php foreach ($todo as $item): ?>

<li><?=$item?></li>

<?php endforeach; ?>