<?php foreach(blocks as $block): ?>
<div><?php echo $block['key']; ?></div>
<?php endforeach; ?>
<div></div>
? $i++;
if (($i % 2 == 0) && ($i != 0)) {
echo '</div><div>';
}
<?php $i = 0; ?>
<?php foreach($blocks as $block): ?>
<div>
<?php
if (($i % 2 == 0) && ($i != 0)) {
echo '</div><div>';
}
echo $block['key'];
$i++;
?>
</div>
<?php endforeach; ?>