2011-07-15 15:05 374 0 发表评论

public static function hash()
    {
        function _g($id,$level) {
        $ret=array();
        foreach(Yii::app()->db->createCommand(‘select id,name from {{categories}} where parent_id=?’)->queryAll(true,array($id)) as $r) {
        $ret[$r['id']]=str_repeat(‘–’,$level).$r['name'];
        if(Yii::app()->db->createCommand(‘select count(*) from {{categories}} where parent_id=?’)->queryScalar(array($r['id'])))
        $ret+=_g($r['id'],$level+1);
        }
        return $ret;
        }
        return _g(0,0);
    }

南澳岛 PHP None-Thread Safe与Thread Safe（非线程安全与线程安全）版本的选择