php socket怎么测试

<?phperror_reporting(E_ALL);set_time_limit(0);//ob_implicit_flush();$address = '127.0.0.1';$port = 10005;//创建端口if( ($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === false) {	echo "socket_create() failed :reason:" . socket_strerror(socket_last_error()) . "\n";}//绑定if (socket_bind($sock, $address, $port) === false) {	echo "socket_bind() failed :reason:" . socket_strerror(socket_last_error($sock)) . "\n";}//监听if (socket_listen($sock, 5) === false) {	echo "socket_bind() failed :reason:" . socket_strerror(socket_last_error($sock)) . "\n";}do {	//得到一个链接	if (($msgsock = socket_accept($sock)) === false) {		echo "socket_accepty() failed :reason:".socket_strerror(socket_last_error($sock)) . "\n";		break;	}	//welcome  发送到客户端	$msg = "<font color='red'>server send:welcome</font><br/>";	socket_write($msgsock, $msg, strlen($msg));	echo 'read client message\n';	$buf = socket_read($msgsock, 8192);	$talkback = "received message:$buf\n";	echo $talkback;	if (false === socket_write($msgsock, $talkback, strlen($talkback))) {		echo "socket_write() failed reason:" . socket_strerror(socket_last_error($sock)) ."\n";	} else {		echo 'send success';	}	socket_close($msgsock);} while(true);//关闭socketsocket_close($sock);?>