PHP订单造假

// 获取最近的1天的订单数据，昵称，时间。
public function getNearestOrder()
{
    // 获取真实订单
    $service_order = M('service_order');
    $service_order_list = $service_order->where(['first_pay_time' => ['gt', strtotime(date('Y-m-d'))]])->order('id desc')->select();
    $user = M('user');
    $true_tmp = [];
    foreach ($service_order_list as $k => &$v) {
        $tmp = [];
        $user_info = $user->where(['id' => $v['uid']])->find();
        $tmp['nickname'] = Func::encryptName2($user_info['nickname']);
        $tmp['pay_time'] = DateHelper::timeTran(date('Y-m-d H:i', $v['first_pay_time']));
        $tmp['time'] = $v['first_pay_time'];
        $true_tmp[] = $tmp;
    }

    // 获取Redis中的数据
    $redis = Red::create();
    $order_redis_key = C('APP_ID') . ':nearest_order_data:' . date('Y-m-d');
    $order_redis_data = $redis->get($order_redis_key);
    if (!$order_redis_data) {
        // TODO 造假 
        $user = M('user');
        $out_tmp = [];
        $user_nickname_arr = $user->order('rand()')->limit(100)->getField('nickname', true);
        for ($i = 0; $i < 10; $i++) {
            $nickname = $this->getNickName($user_nickname_arr);
            $fake_order = $this->getFakeOrder($nickname);
            $out_tmp[] = $fake_order;
        }
        // 合并
        foreach ($true_tmp as $k => $v) {
            array_unshift($out_tmp, $v);
        }
        // 去重
        $out_tmp = Func::arrayUnique($out_tmp);
        // 排序
        $order_column = array_column($out_tmp, 'time');
        array_multisort($order_column, SORT_DESC, SORT_NUMERIC, $out_tmp);
        // 存储redis
        $redis->set($order_redis_key, json_encode($out_tmp), 86400);
    } else {
        // 从redis抽取
        $order_redis_data = json_decode($order_redis_data, true);
        $out_tmp = [];
        // 重置数据
        foreach ($order_redis_data as $ok => $ov) {
            $tmp = [];
            $tmp['nickname'] = $ov['nickname'];
            $tmp['pay_time'] = DateHelper::timeTran(date('Y-m-d H:i', $ov['time']));
            $tmp['time'] = $ov['time'];
            $out_tmp[] = $tmp;
        }

        // 合并真实订单
        foreach ($true_tmp as $k => $v) {
            array_unshift($out_tmp, $v);
        }
        // 去重
        $out_tmp = Func::arrayUnique($out_tmp);
        // 排序
        $order_column = array_column($out_tmp, 'time');
        array_multisort($order_column, SORT_DESC, SORT_NUMERIC, $out_tmp);

        // 超过10分钟没有下单，造假一个订单
        if (time() - $out_tmp[0]['time'] > 600 && date('H') < 19) { // 再造一个假数据
            $user = M('user');
            $user_nickname_arr = $user->order('rand()')->limit(100)->getField('nickname', true);
            $nickname = $this->getNickName($user_nickname_arr);
            $fake_order = $this->getFakeOrder($nickname,60);
            array_unshift($out_tmp, $fake_order);
        }
        // 存储redis
        $redis->set($order_redis_key, json_encode($out_tmp), 86400);
    }

    $this->json->S($out_tmp);
}

protected function getFakeOrder($nickname,$duration = 3600)
{
    $time = time() - mt_rand(0, $duration);
    $tmp['nickname'] = $nickname;
    $tmp['pay_time'] = DateHelper::timeTran(date('Y-m-d H:i', $time));
    $tmp['time'] = $time;
    return $tmp;
}

protected function getNickName($user_nickname_arr)
{
    $head_pos = mt_rand(0, count($user_nickname_arr) - 1);
    $tail_pos = mt_rand(0, count($user_nickname_arr) - 1);
    $nickname = $user_nickname_arr[$head_pos] . $user_nickname_arr[$tail_pos];
    $nickname = Func::encryptName2($nickname);
    return $nickname;
}

模拟昵称，随机时间，数组合并，数组去重，数组排序。