{php $child_arr = explode(',', $v['arrchildid']);} <li {if isset($catid) && in_array($catid, $child_arr)} class="hover" {/if} ><a href="/search/sou_{$q}/">全站</a></li> <li {if isset($catid) && in_array($catid, $child_arr)} class="hover" {/if}><a href="/search/w_{$q}/">網(wǎng)站</a></li> <li {if isset($catid) && in_array($catid, $child_arr)} class="hover" {/if}><a href="/search/s_1_{$q}/">新聞</a></li> 這樣循環(huán)不了<li class="hover" > 有大神指點一下嗎