exploring the capabilities of sockets in PHP, reminiscent of the functionality found in Node.js

I recently downloaded and tried out a basic chat app with Node.js:

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

The app is functioning properly.

The server-side code is quite straightforward:

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, I'm wondering if something similar can be achieved using PHP.

I've come across:

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

https://github.com/reactphp/socket

Are there any other frameworks available for this purpose?

However, I'm unsure about their reliability and stability as an alternative. Any insights would be appreciated!

Thank you!

Answer №1

Have you heard of the library known as Ratchet? In my personal experience, I found that it does not perform very well. When working with socket connections, it is advisable to utilize technologies that support it effectively, such as NodeJs.

You can also communicate with a NodeJS server (using Express) from your PHP code by sending a curl request and having the NodeJS server handle the socket connection.

Answer №2

If you're looking for a reliable and well-maintained PHP implementation of socket.io, check out phpsocket.io1. It even includes an excellent example chat app which can be really helpful. Personally, I've had a lot of trouble with other methods I've tried in the past.

Here's an example of how your code could look using PHP:

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

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