需要有关彗星的帮助以及选择什么
我是 comet 的新手，但我读过它，并且我意识到 PHP 不利于 comet 长轮询。
我的所有项目都是用 CodeIgniter PHP 框架编写的，所以我所有的代码都是 PHP。但我需要每秒请求数据来更新拍卖产品，并且我正在寻找 comet，但由于 PHP 是一个不好的 comet 方式，我该怎么办？
还可以从 MySQL 读取并发送给监听器吗？
谢谢。
I'm new to comet, but I have read about it and I realize that PHP is bad for comet long polling.
All of my project is written in CodeIgniter PHP Framework, so all my code is PHP. But I need request data all seconds to update auctions products, and I'm looking for comet, but as PHP is a bad way to comet, how can I do it?
also it is possible to read from MySQL and send to listener?
Thanks.
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一种解决方案是Ajax Push Engine - 他们提供自己的服务器来处理与客户端的连接，但是您可以使用任何后端向 APE 提供数据 - 包括 PHP。您还可以直接使用 MySQL - 请参阅示例 one 和两个。 注意： APE 服务器只能在 Linux、BSD 或 Mac OS X 上运行（不过，似乎应该可以移植到 Windows，因为它是用纯C，AFAICT）。
另一种是 NGiNX_HTTP_Push_Module - 您使用 nginx 作为推送服务器（不需要运行额外的服务器，例如这是 APE 的情况）并且该协议很容易使用/直接恕我直言。
One solution is Ajax Push Engine - they dish out their own server for handling the connections with clients, but you can use whatever backend to feed data to APE - including PHP. You can also work with MySQL directly - see example one and two. Note: the APE server can only be run on Linux, BSD or Mac OS X (though, it would seem that a port to Windows should be possible, since it's written in pure C, AFAICT).
The other one is NGiNX_HTTP_Push_Module - you use nginx as your push server (no need for an extra server running, like it's in APE's case) and the protocol is easy to work with/straightforward IMHO.
另一种选择是托管 Comet SaaS 解决方案，例如 WebSync On-Demand。它很便宜，而且因为它是托管的，所以没有服务器要求。
有一个 PHP SDK 用于集成数据推送。
[免责声明：我在那里工作]
Another options would be a hosted comet SaaS solution, such as WebSync On-Demand. It's cheap, and because it's hosted doesn't have server requirements.
There's a PHP SDK for integrating your data push.
[Disclaimer: I work there]