<?php 
 
// Just start this server and connect to it. Everything you send to it will be 
// sent back to you. 
// 
// $ php examples/01-echo-server.php 8000 
// $ telnet localhost 8000 
// 
// You can also run a secure TLS echo server like this: 
// 
// $ php examples/01-echo-server.php tls://127.0.0.1:8000 examples/localhost.pem 
// $ openssl s_client -connect localhost:8000 
// 
// You can also run a Unix domain socket (UDS) server like this: 
// 
// $ php examples/01-echo-server.php unix:///tmp/server.sock 
// $ nc -U /tmp/server.sock 
 
use React\EventLoop\Factory; 
use React\Socket\Server; 
use React\Socket\ConnectionInterface; 
 
require __DIR__ . '/../vendor/autoload.php'; 
 
$loop = Factory::create(); 
 
$server = new Server(isset($argv[1]) ? $argv[1] : 0, $loop, array( 
    'tls' => array( 
        'local_cert' => isset($argv[2]) ? $argv[2] : (__DIR__ . '/localhost.pem') 
    ) 
)); 
 
$server->on('connection', function (ConnectionInterface $connection) { 
    echo '[' . $connection->getRemoteAddress() . ' connected]' . PHP_EOL; 
    $connection->pipe($connection); 
}); 
 
$server->on('error', 'printf'); 
 
echo 'Listening on ' . $server->getAddress() . PHP_EOL; 
 
$loop->run(); 
 
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