TP3.2.3 无限极分类&&获取所有子分类包括自身

/* 无限级分类树 */public function tree($data,$pid=0,$level=1){    static $treeArr = array();    foreach ($data as $v)    {        if ($v['pid'] == $pid)        {            $v['level'] = $level;            $treeArr[] = $v;            $this->tree($data, $v['id'], $level + 1);        }    }    return $treeArr;}/* 传递一个id 找出下面所有子分类包括自身 */public function getSubIds($id){    $info = $this->order('sort')->select();    $list = $this->tree($info,$id);    $res = array();    foreach($list as $v)    {        $res[] = $v['id'];    }    $res[] = $id;    return $res;}

$id = $this->_id; $ids = $this->_db->getSubIds($id);$datas = $this->getData();$datas['id'] = $this->_id;if( in_array($datas['pid'],$ids) ){    show('300','该分类不能移动到这个位置!');    return;}