php创建无限极属性菜单

/**
 * 将getTreeArray的结果返回为树形状数组
 * @param array $data
 * @return array
 */
public  function  getMenu($data,$pid,$deep=0)
{
    $tree='';
    foreach ($data as $row) {
        if($row['pid']==$pid){
            $row['child']=$this->getMenu($data,$row['id'],$deep+1);
            $tree[]=$row;
        }
    }
    return $tree;
}

参考：http://www.cnblogs.com/xiaogou/p/9325222.html