Zaseknutí IRC bota

<?php
set_time_limit(0);
$socket = fsockopen("chat.freenode.net", 6667);
fputs($socket,"USER CZSKTF2L CZSKTF2L FB :CZSKTF2L\r\n");
fputs($socket,"NICK CZSKTF2L\r\n");
fputs($socket,"JOIN #omg\r\n");
$cislo = 0;

while(1) {
        while($data = fgets($socket, 128)) {
                echo nl2br($data);
                flush();
                $ex = explode(' ', $data);
                if($ex[0] == "PING"){
                        fputs($socket, "PONG ".$ex[1]."\r\n");
                }
                $command = str_replace(array(chr(10), chr(13)), '', $ex[3]);
                
                if ($command == ":!pis") {
                $cislo++;
                        fputs($socket, "PRIVMSG ".$ex[2]." :".$cislo."\r\n");
                }
}
}
?>

 fputs($socket, "PRIVMSG ".$ex[2]." :".$cislo."\r\n");

fputs($socket, "PRIVMSG ".$ex[2]." :Dobrej den vincuju\r\n");