working with sockets on PHP in a similar way as Node.js

Question

I just downloaded and ran the very basic Node.js chat app:

https://github.com/socketio/chat-example

It is working properly.

The server code is very simple:

var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);
var port = process.env.PORT || 3000;

app.get('/', function(req, res){
  res.sendFile(__dirname + '/index.html');
});

io.on('connection', function(socket){
  socket.on('chat message', function(msg){
    io.emit('chat message', msg);
  });
});

http.listen(port, function(){
  console.log('listening on *:' + port);
});

Now my question is if is it possible to do something similar with PHP?

I have heard about:

https://www.swoole.co.uk

https://github.com/swoole/swoole-src

https://reactphp.org

https://github.com/reactphp/socket

any other framework?

But I don't know if it is a good and stable alternative?

Thanks!

It is commonly discouraged due to the limitations of PHP being run as a daemon, and environmental constraints but is suitable for smaller applications I have implemented a few PHP implementations for Programmable Logic Controllers to send and receive instructions over UDP. I would advise looking at other languages like Java to accomplish it though. — Will B.
– Will B., Commented Nov 3, 2018 at 2:56

Nicolas · Accepted Answer · 2018-11-03 03:35:55Z

1

There is a library called Ratchet i know about. But in my experience, it does not work very well. If you are trying to make a socket connection, you should always just technologies that supports it very well, such as NodeJs

It's possible to call a NodeJS server (express) from your PHP using a curl request, and make the NodeJS server do the socket connection.

edited Nov 3, 2018 at 3:35

answered Nov 3, 2018 at 3:30

Nicolas

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Comments

Tubusy · Accepted Answer · 2020-09-28 03:40:15Z

0

Try phpsocket.io1, it is a direct PHP implementation of socket.io and even has the excellent example chat app. It's rock solid and well maintained. Personally, I had nothing but trouble with other approaches I tried.

Your example code would look something like this in PHP:

$io->on('connection', function($socket){
  $socket->on('chat message', function($msg){
    $io->emit('chat message', $msg);
  });
});

answered Sep 28, 2020 at 3:40

Tubusy

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