PHP-BASIC bot

<?php //optimization of http://pastebin.com/xyEWdk7C
$tosend = '';
$s = fsockopen('nucleus.kafuka.org', 6667, $errnum, $errstr, 30);
makebot:
if(!$tosend)
$tosend = "USER phasic phasic phasic :Kyurel's bot\r\nNICK PHasic";
$t = fgets($s);
$ping = substr($t, 0, 4);
if($ping == 'PING')
$tosend = 'PONG'.substr($t, 4);
if($tosend == 'nothing')
goto makebot;
fputs($s, $tosend . chr(10) . chr(13));
$tosend = 'nothing';
goto makebot;
?>