php无限级分类

 ???/** ????* 功能:无限级分类 ????* 参数:$data 类别查询结果集 ????* 返回值:$arr 排序后的数组 ????*/ ???public function getCateTree($data) { ???????$arr = $this->cateSort($data); ???????return $arr; ???} ???/** ????* 功能:无限级分类排序 ????* 参数:$data 类别查询结果集 ????* 返回值:$arr 递归查询排序后的数组 ????*/ ???public function cateSort($data,$pid=0,$level=0) { ???????static $arr = array(); ???????foreach($data as $k => $v) { ???????????if($v[‘pid‘] == $pid) { ???????????????$arr[$k] = $v; ???????????????$arr[$k][‘level‘] = $level + 1; ???????????????$this->cateSort($data,$v[‘id‘],$level+1); ???????????} ???????} ???????return $arr; ???}