TheDeadLike - PHP IRC Connection using sockets

<?php header("Content-Type:text/html;charset=utf-8"); set_time_limit(0); ?>
<?php
    $socket = fsockopen("irc.euirc.net", 6667, $errNo, $errStr);
    if($socket):
        fwrite($socket, "NICK Tester-Guy\n\r");
        fwrite($socket, "USER TesterGuy 8 * :Testing connection!\n\r");

        readStream($socket);
    endif;

    function readStream($socket){
        while(!feof($socket)):
            $serverMsg = fgets($socket);
            echo nl2br($serverMsg);
            flush();
            if(substr($serverMsg, 0, 6) == "PING :"):
                //reply PING requests with PONG
                fwrite($socket, "PONG :".substr($serverMsg, 6)."\n\r");
            elseif(strpos($serverMsg, "005")):
                //Send join before MOTD
                fwrite($socket, "JOIN #testingChannel\n");
            elseif(preg_match("/:(.*)!(.*)@(.*) (.*) (.*) :!(.*?) (.*)/",
            $serverMsg, $match)):
                //Match !command in query/channel
                /*
                **[1] = Sender Nickname
                **[2] = Sender Ident
                **[3] = Sender Host
                **[4] = Message Type
                **[5] = Target
                **[6] = Command
                **[7] = Command Param
                */
                if($match[6] == "quit"):
                    fwrite($socket, strtoupper($match[6])." :".$match[7]."\n\r");
                endif;
            endif;
        endwhile;
    }
?>