When a user places an order, how can PHP provide real-time reminders in the background?
怪我咯2017-07-03 11:40:53
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Ajax polling obviously won't work, which will put a lot of pressure on the server, so I would like to ask if there is a better method that can run normally in a big data environment
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
You can use node to create a message push service based on socket.io.
Use
Server Push, such aswebsocket.For PHP, it can be combined with other languages, or it can be implemented using Workerman or Swoole.
Websocket is pushed directly to the client