// 測試擴展單個標簽
    private function test()
    {
        $this->content = str_replace('{pboot:userip}', get_user_ip(), $this->content);
    }
}

public function clean_session()

{

    check_dir(RUN_PATH . '/archive', true);

    $data = json_decode(trim(substr(file_get_contents(RUN_PATH . '/archive/session_ticket.php'), 15)));

    if($data->expire_time && $data->expire_time < time()){

        ignore_user_abort(true);

        set_time_limit(7200);

        ob_start();

        ob_end_flush();

        flush();

        $rs = path_delete(RUN_PATH . '/session');

        if($rs){

            $data->expire_time = time() + 60 * 60 * 24; // 下一次清理時間

            create_file(RUN_PATH . '/archive/session_ticket.php', "<?php exit();?>".json_encode($data), true);

        }

    } else {

        $data->expire_time = time() - 60 * 60 * 24; // 初始化清理時間

        create_file(RUN_PATH . '/archive/session_ticket.php', "<?php exit();?>".json_encode($data), true);

    }

}

<script src='/?p=/ExtLabel/clean_session/' async='async'></script>