finemcs 判断是否存在二级菜单

<div class="pcto pc"> <div class="pcto_box pc"> <a href="/" class="fl pcto_logo" rel='nofollow' onclick='return false;'></a> <div class="pcto_menu"><!--菜单start--> <div class="pcto_menu_xun {if $indexc==1}on{/if}"> <a href="{SITE_URL}" class="pcto_menu_a" rel='nofollow' onclick='return false;'>网站首页</a> </div> {loop $cats $cat} {if $cat[parentid] == 0 && $cat['ismenu']} {php $arrchilds = @explode(',', $cat['arrchilds']);} <div class="pcto_menu_xun yxl {if isset($catid) && in_array($catid, $arrchilds)}on{/if}"> <a href="{$cat['url']}" class="pcto_menu_a" rel='nofollow' onclick='return false;'>{$cat['catname']}</a> <div class="pcto_xl"> {if $cat['child']} {loop $cats $a} {if $a[parentid] == $cat[catid]} <a href="{$a['url']}" rel='nofollow' onclick='return false;'>{$a['catname']}</a> {/if} {/loop} {/if} </div> {if $cat['child']} <div class="pcto_bg"></div>{/if}这里判断判断二级二级菜单 </div> {/if} {/loop} </div><!--菜单end--> </div> </div>