Need help

<?




/*
Config:




PUT THE FOLLOWING PARAGRAPH INTO YOUR CONFIG.CFG




[reserved]
enabled = 0
admin = 0
reason_serverfull = "Sorry this server is currently full."
reason_reserved = "Sorry you have been kicked to make room for a reserved slot member."
msg_reserved = "<KICKED_PLAYER> has been kicked to make room for reserved slot member <JOINED_PLAYER>."
//Database Information
mysql_user = "MySQL username"
mysql_pass = "MySQL password"
mysql_host = "MySQL hostname"
mysql_name = "MySQL database name"




*/




$mod->setDefaultCV("reserved", "enabled", 0);
$mod->setDefaultCV("reserved", "admin", 0);
$mod->setDefaultCV("reserved", "slots", 0);
$mod->setDefaultCV("reserved", "reason_serverfull", "Sorry this server is currently full.");
$mod->setDefaultCV("reserved", "reason_reserved", "Sorry you have been kicked to make room for a reserved slot member.");
$mod->setDefaultCV("reserved", "msg_reserved", "<KICKED_PLAYER> has been kicked to make room for reserved slot member <JOINED_PLAYER>.");
$mod->setDefaultCV("reserved", "mysql_user", "NULL");
$mod->setDefaultCV("reserved", "mysql_pass", "NULL");
$mod->setDefaultCV("reserved", "mysql_host", "localhost");
$mod->setDefaultCV("reserved", "mysql_name", "manuadmin");




$mod->registerEvent("playerJoined", "reservedslots_main");




function reservedslots_main($guid){
    global $players;
    global $mod;
    if(!mysql_link()){return;}
    //Determine if server setting is an odd number, it has to be in order to work correctly.
    if($odd = $mod->getCV("reserved", "slots")%2){
        $logging->write(MOD_WARNING, "Reserved slots mod disabled, you musth have an odd number of slots in your server.");
        return;
    }
    //If server is not full, then don't to anything.
    if(count($players) < $mod->getCV("reserved", "slots")){
        return;
    }
    //If server is full -> gotta kick someone.
    if(count($players) >= $mod->getCV("reserved", "slots")){
        //Get Safe GUID's from database
        while($hashes = mysql_query("SELECT * FROM reserved WHERE expire > '".time()."' AND enabled = '1'")){
            $safe[$hashes['hash']] = 1;
        }
        //Determine if new user is a reserved slot member.
        if($safe[$guid] || $players[$guid]->isProtected()){
            openslot($safe,$guid);
            return
        }else{
            $players[$guid]->kick($mod->getCV("reserved", "reason_serverfull"));
        }
    }
    mysql_close();    
}




function mysql_link(){
    global $mod;
    $db = mysql_connect($mod->getCV("reserved", "mysql_host"),$mod->getCV("reserved", "mysql_user"),$mod->getCV("reserved", "mysql_pass")) or $logging->write(MOD_WARNING, "Could not connect to database, reserved slot mod failed.");
    $db1 = mysql_select_db($mod->getCV("reserved", "mysql_name")) or $logging->write(MOD_WARNING, "Could not select database, reserved slot mod failed.");
    if($db && $db1){
        return true;
    }else{
        return false;
    }
}




function open_slot($safe,$guid){
    global $players;
    global $mod;
    //Get the player info of the player that can be kicked.
    $kicker = find_slot($safe);
    if(!$kicker){
        //If no information is provided, kick the player who just joined, regardless of reserved slot status.
        $player = $players[$guid]->getName();
        $logging->write(MOD_NOTICE, "Player $player has been removed because the server is full of reserved slots.");
        $players[$guid]->kick($mod->getCV("reserved", "reason_serverfull"));
        return;
    }else{
        //If information is provided, kick the person who is given.
        $player = $players[$kicker["guid"]]->getName();
        $new = $player[$guid]->getName();
        $logging->write(MOD_NOTICE, "Player \"$player\" has been removed because a reserved slot member \"$new\" joined.");
        $player[$kicker["guid"]]->kick($mod->getCV("reserved", "reason_reserverd"));
        $search = array("<JOINED_PLAYER>","<KICKED_PLAYER>");
        $replace = array($player,$new);
        $mod->rconSay(str_replace($search,$replace,$mod->getCV("reserved", "msg_reserved")));
        return $player;
    }    
}




function find_slot($safe){
    global $mod;
    global $players;
    $playerlist = $mod->rconPlayerList();

    foreach($playerlist as $player){
        //If the user is not in the safe list, add them to the kickable list.
        if(!$safe[$player["guid"]]){
            $kickable[] = $player;
            $scores[] = $player["score"];
        }
    }
    //If nobody in the server is kickable it is now officially full, return false.
    if(!$kickable){
        return false;
    }
    foreach($kickable as $player){
        //If score is not below 0 or ping above 300 remove them from the list.
        if($player["score"] < 0 || $player["ping"] > 300){
            $kickers[] = $player;
            $score[] = $player["score"];
        }
    }
    //If nobody is left you have to go back to the other list
    if(!$kickers){
        asort($scores);
        foreach($scores as $playerid => $score){
            //Return the person with the lowest score out of the kickable people.
            return $kickers[$playerid];
        }    
    }else{
        asort($score);
        foreach($score as $playerid => $score){
            //Return the person with the lowest score out of the kickable people.
            return $kickable[$playerid];
        }
    }
}
?>