PHP code example of belisoful / prado-websocket

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

belisoful / prado-websocket example snippets

use Prado\IO\Socket\WebSocket\TWebSocketServer;
use Prado\IO\Socket\WebSocket\TWebSocketHandler;

$handler = new TWebSocketHandler();
$handler->attachEventHandler('onOpen', function ($connection) {
    // a client connected (over HTTP/1.1 or an HTTP/2 stream)
});
$handler->attachEventHandler('onMessage', function ($connection, $message) {
    $connection->send("echo: $message");          // reply on the same connection
});
$handler->attachEventHandler('onClose', function ($connection) { /* gone */ });
$handler->attachEventHandler('onError', function ($connection, $error) { /* protocol error */ });

$server = TWebSocketServer::bind('tcp://0.0.0.0:8080');
$server->setHandler($handler);                    // 

use Prado\IO\Socket\TSocketStream;
use Prado\IO\Socket\WebSocket\TWebSocketConnection;

$socket = TSocketStream::connect('tcp://example.com:8080', 5.0);
$client = TWebSocketConnection::connect($socket, 'example.com', '/chat');  // RFC 6455 handshake
$client->send('hello');
$reply = $client->receive();                       // blocking; null on close/EOF
$client->close(1000);

use Prado\IO\Socket\WebSocket\TWebSocketFrame;
use Prado\IO\Socket\WebSocket\TWebSocketFrameCodec;

$bytes = TWebSocketFrameCodec::encode(TWebSocketFrame::text('hi'));   // server frame (unmasked)
$frame = TWebSocketFrameCodec::tryDecode($buffer);                    // null until a whole frame

$server->setSubprotocols(['chat', 'superchat']);   // offered in order; the agreed one is echoed in Sec-WebSocket-Protocol
// per connection: $connection->getSubprotocol()   // the negotiated subprotocol, or null

use Prado\IO\Socket\WebSocket\TPermessageDeflateNegotiator;

$server->setExtensions([new TPermessageDeflateNegotiator()]);   // offer RFC 7692 permessage-deflate