php-symfonyHow to use websockets in PHP Symfony?

Websockets can be used in PHP Symfony to create real-time applications. To use websockets, the Ratchet library can be used.

Example code

<?php

use Ratchet\Server\IoServer;
use Ratchet\Http\HttpServer;
use Ratchet\WebSocket\WsServer;
use MyApp\Chat;

$server = IoServer::factory(
    new HttpServer(
        new WsServer(
            new Chat()
        )
    ),
    8080
);

$server->run();

The code above creates a websocket server on port 8080.

Code explanation

• use Ratchet\Server\IoServer; - imports the IoServer class from the Ratchet library
• IoServer::factory() - creates a websocket server
• new HttpServer() - creates an HTTP server
• new WsServer() - creates a websocket server
• new Chat() - creates a chat class
• $server->run() - runs the websocket server

Helpful links

• https://socketo.me/
• https://github.com/ratchetphp/Ratchet

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