登录的顶号功能实现

    //顶号功能，登录成功时调用
    protected function do_1login(){
//        var_dump( $_SESSION );
        if( $_SESSION[‘padmin‘][‘is_1login‘] ){
            $uid = $_SESSION[‘padmin‘][‘uid‘];
            //干掉旧的sessionid
            $old_arr = Model_Adminsession::instance()->fetch_all([[‘uid‘,‘=‘,$uid]]);
//            var_dump($old_arr);
            if( PRODUCTION_ENV ){    //生产环境，用的memcache保存sessionid
                $mem = new Memcache;
                $ok = $mem->connect(‘127.0.0.1‘, 11211);
                foreach($old_arr as $line){
//                    var_dump( $line[‘session‘] );
                    $mem->delete( $line[‘session‘] );
                }unset($line);
                $mem->close();
            }else{
                $sess_dir = session_save_path();
//                var_dump($sess_dir);
                foreach($old_arr as $line){
                    @unlink( $sess_dir.‘/sess_‘.$line[‘session‘] );    //删除session缓存
                }unset($line);
            }
            Model_Adminsession::instance()->delete([[‘uid‘,‘=‘,$uid]]);
            
            //记录最新的sessionid
            $session = session_id();
            $ok = Model_Adminsession::instance()->insert([‘uid‘=>$uid, ‘session‘=>$session]);
//            var_dump($ok);
        }
    }