PHP Chat Room

This is a Basic Chat Room Application. Used PHP websocket no used any kind of database (MySQL). This app using per to per communication to client browser in realtime

How to setup

1. first make folder 📁 Chat Room
2. install websocket composer require cboden/ratchet
3. create a src folder 📁
4. make a file Chat.php in src folder
5. you also read full Documentation of Ratchet WebSocket for php library.

chat.php

<?php
namespace MyApp;
use Ratchet\MessageComponentInterface;
use Ratchet\ConnectionInterface;

class Chat implements MessageComponentInterface {
    protected $clients;

    public function __construct() {
        $this->clients = new \SplObjectStorage;
    }

    public function onOpen(ConnectionInterface $conn) {
        // Store the new connection to send messages to later
        $this->clients->attach($conn);

        echo "New connection! ({$conn->resourceId})\n";
    }

    public function onMessage(ConnectionInterface $from, $msg) {
        $numRecv = count($this->clients) - 1;
        echo sprintf('Connection %d sending message "%s" to %d other connection%s' . "\n"
            , $from->resourceId, $msg, $numRecv, $numRecv == 1 ? '' : 's');

        foreach ($this->clients as $client) {
            if ($from !== $client) {
                // The sender is not the receiver, send to each client connected
                $client->send($msg);
            }
        }
    }

    public function onClose(ConnectionInterface $conn) {
        // The connection is closed, remove it, as we can no longer send it messages
        $this->clients->detach($conn);

        echo "Connection {$conn->resourceId} has disconnected\n";
    }

    public function onError(ConnectionInterface $conn, \Exception $e) {
        echo "An error has occurred: {$e->getMessage()}\n";

        $conn->close();
    }
}

5. create another folder 📂 bin
6. make another file in bin folder 📂 Server.php

Server.php

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

    require dirname(__DIR__) . '/vendor/autoload.php';

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

    $server->run();

7. add a JavaScript file in index file.

var conn = new WebSocket('ws://localhost:8080');
conn.onopen = function(e) {
    console.log("Connection established!");
};

conn.onmessage = function(e) {
    console.log(e.data);
};

Running it

1. ~bin/php Server.php
2. open a browser (liked Chrome)
3. pressed F5 or open console.
4. write a code in your console conn.send("Hello World"); enter hit.
5. share the link you chat room webapp your friends circle.
6. let's chat with your friends

After Downloading project

1. run it composer install and composer update
2. goto bin folder and run php cli php Server.php
3. goto you root folder run it php -S localhost:8000
4. Open chrome browser type this url http://localhost:8000
5. share the this link 🔗 your friends and chating with your friends.