gistfile1.aw

<?php
use Ratchet\MessageComponentInterface;
use Ratchet\ConnectionInterface;
use Ratchet\Server\IoServer;
use Ratchet\WebSocket\WsServer;

/**
 * chat.php
 * Send any incoming messages to all connected clients (except sender)
 */
class Chat implements MessageComponentInterface {
    protected $clients;
    protected $i = 0;

    public function __construct(React\Zmq\Socket $pull) {
        $this->clients = new \SplObjectStorage;
        $this->pull = $pull;

        $this->pull->on('message', array($this, 'onPullMessage'));
    }

    public function onOpen(ConnectionInterface $conn) {
        $conn->id = ++$i;
        $this->clients->attach($conn);
    }

    public function onMessage(ConnectionInterface $from, $msg) {
        foreach ($this->clients as $client) {
            if ($from != $client) {
                $client->send($msg);
            }
        }
    }

    public function onClose(ConnectionInterface $conn) {
        $this->clients->detach($conn);
    }

    public function onError(ConnectionInterface $conn, \Exception $e) {
        $conn->close();
    }

    public function onPullMessage($message) {
        if (preg_match('/KILL (\d+)/', $message, $matches)) {
            foreach ($this->clients as $client) {
                if ($client->id === (int) $matches[0]) {
                    $client->close();
                }
            }
        }
    }
}

$loop = React\EventLoop\LoopFactory::create();

$socket = new React\Socket\Server($loop);
$socket->listen(8000, '127.0.0.1');

$context = new React\Zmq\Context($loop);
$pull = $context->getSocket(ZMQ::SOCKET_PUSH);
$pull->connect('tcp://127.0.0.1:5555');

// Run the server application through the WebSocket protocol on port 8000
$ws = new WsServer(new Chat($pull)));
$io = new IoServer($ws, $socket, $loop);

$loop->run();