php tcp server

server.php

<?
$host = "127.0.0.1";
$port = !isset($argv[1]) ? die("specifica la porta come primo parametro") : $argv[1];

set_time_limit(0);

$socket = socket_create(AF_INET, SOCK_STREAM, 0) or die("Could not create socket\n");
$result = socket_bind($socket, $host, $port) or die("Could not bind to socket\n");

$result = socket_listen($socket, 3) or die("C'e' qualche altro programma in ascolta su sta porta\n");

while(1)
{
	$spawn = socket_accept($socket);

	while(1)
	{
		$input = socket_read($spawn, 1024);
		echo $input;
		if(trim($input)=="quit") exit(0);
	}

	//socket_write($spawn, $out, strlen ($out));

	socket_close($spawn);
}

socket_close($socket);

?>