반복문으로 행나누기

<?
                                                $ordCnt = count($orderings);
                                                $ulCnt = 0;
                                                foreach($orderings as $key => $val) : ?>
                                                <? if($ulCnt % 4 == 0 || $ulCnt == 0) echo('<ul style="margin-left:20px">');?>
                                                        <li><a href="#"><input type="checkbox" name="mb_ordering[]" value="<?= $key ?>"/>&nbsp;<?= $val ?></a></li>
                                                <?
                                                if($ulCnt  % 4 == 0 || $ulCnt != 4) echo('</ul><ul>');
                                                if($ulCnt == $ordCnt) echo("</ul>");
                                                $ulCnt++;
                                                endforeach; ?>

ex)4개의 행마다 ul 출력;