织梦dedecms判断文章是否为推荐文章

{dede:arclist row='10' typeid='typeid' titlelen='36' runphp='yes'}
{dede:loop value=$dls}
    {if preg_match('/c/', $fields[flag])}
        <strong>推荐文章: </strong>
    {/if}
    <a href="[field:arcurl]" title="[field:title]">[field:title]</a>
{/dede:loop}
{/dede:arclist}