但是要怎样遍历这个方法产生的二叉树数组呢?以下是我的做法: 复制代码 代码如下: function preTree($cat){ foreach ($cat as $c){ ?> =$c['poper']?>:=t($c['content'])?> =$s['poper']?>:=t($s['content'])?> if(isset($s['childrens'])){ ?> $this->preTree($s['childrens']); ?> } ?> } } ?>