function kickAdmin($admin_id, $serverid, $userid)
{
    include 'config.php';
    $auth = auth($serverid, $userid);
    if ($auth == 1) {
        $pdo = new PDO($dsn, $dbuser, $pass);
        $ips = getips($serverid);
        $admins = str_replace('#' . $admin_id . '#', "#", $ips['admin_id']);
        $st = $pdo->prepare("UPDATE servers SET admin_id = :admins WHERE serverid = :serverid");
        $st->bindParam(':admins', $admins, PDO::PARAM_STR);
        $st->bindParam(':serverid', $serverid);
        $st->execute();
        return "Done";
    } else {
        return "Perm Error";
    }
}
<?php

session_start();
if (!isset($_SESSION['userid'])) {
    die('Bitte zuerst <a href="login.php">einloggen</a>');
}
include 'functions.php';
//Type Converter
$ips = getips($GET_['serverid']);
$ctype = typeCon($ips['type']);
echo $_SESSION['userid'];
$auth = auth($GET_['serverid'], $_SESSION['userid']);
$tday = date('G-i-s--j-m-y');
//Security checks
if ($auth == 1) {
    echo "Server is going down...";
    $out = shell_exec('screen -S ' . $ctype . $serverid . 'x -X kill');
    exec('mv log/' . $serverid . '.n log/old/' . $tday . 'ID' . $serverid . '.n');
} elseif ($auth == 2) {
    echo "Server is going down...";
    $out = shell_exec('screen -S ' . $ctype . $serverid . 'x -X kill');
    exec('mv log/' . $serverid . '.n log/old/' . $tday . 'ID' . $serverid . '.n');
} else {
    //echo "You are not allowed to do this!";
}
?>
<head>
<meta http-equiv="refresh" content="0; url=dos.php" />
</head>
function accept_connection($socket)
{
    while (1) {
        try {
            $conn = stream_socket_accept($socket, 0);
            stream_set_blocking($conn, 0);
            stream_set_timeout($conn, 120);
            debug("new connection");
            $start = time();
            while (!feof($conn)) {
                if (time() - $start > 10) {
                    break;
                }
                $req = trim(stream_socket_recvfrom($conn, 1024));
                if (strlen($req) == 0) {
                    continue;
                }
                debug("received {$req}");
                $eof = false;
                if (strpos($req, "EOF") !== false) {
                    $eof = true;
                    $req = str_replace("EOF", "", $req);
                }
                $cmd = explode("|", $req);
                debug("command count: " . (count($cmd) - 1));
                for ($i = 0; $i < count($cmd) - 1; $i++) {
                    $c = $cmd[$i];
                    debug("command #{$i}: {$c}");
                    $c = preg_replace('/ 0+(\\d+)$/', ' $1', $c);
                    $id = substr($c, 0, strpos($c, " "));
                    $c = substr($c, strpos($c, " ") + 1);
                    if (!preg_match(SYNTAX, $c) && !preg_match(SYNTAX_IP, $c) && !preg_match(SYNTAX_PORT, $c) || !is_numeric($id) && $id != '*') {
                        debug("invalid entry: " . $cmd[$i]);
                        continue;
                    }
                    $host = substr($c, strpos($c, "-s ") + strlen("-s "), strpos($c, "/32") - strpos($c, "-s ") - strlen("-s "));
                    $cmds = array();
                    $type = substr($c, 0, strpos($c, " "));
                    debug("type = {$type}");
                    if ((preg_match(SYNTAX, $c) || preg_match(SYNTAX_IP, $c)) && preg_match('/[^0-9\\.]/', $host)) {
                        debug("getting ip");
                        $ips = getips($id, $host, $type);
                        //debug("lock block 1 took " .(microtime(true) - $start));
                        debug("got ip");
                        // for these hosts, let the rules be evicted rather than remove them, since it will be overkill
                        // as they are used very often
                        foreach ($ips as $ip) {
                            $cmds[] = str_replace($host, $ip, $c);
                        }
                    } else {
                        $cmds[] = $c;
                    }
                    foreach ($cmds as $c) {
                        $c = substr($c, strpos($c, " ") + 1);
                        lock();
                        //$start = microtime(true);
                        $adds = getVar();
                        if ($type == '-A') {
                            $exists = $adds[$c];
                            if ($exists && my_array_search($id, $adds[$c]) !== false) {
                                unlock();
                                continue;
                            }
                            $adds[$c][] = $id . ":" . time();
                            setVar($adds);
                            if (!$exists) {
                                debug("adding entry {$c}");
                                iptables($c, "-A");
                            }
                        } else {
                            if ($type == '-D') {
                                if (checkDeleted($adds, $id, $c)) {
                                    debug("deleting entry {$c}");
                                    iptables($c, "-D");
                                }
                            }
                        }
                        //debug("lock block 2 took " .(microtime(true) - $start));
                        unlock();
                    }
                }
                if ($eof) {
                    debug("next..");
                    break;
                }
                usleep(50000);
            }
            stream_socket_sendto($conn, "BYE");
            @fclose($conn);
        } catch (Exception $e) {
            try {
                unlock();
                // in case it was locked
                unlock(DNS_INDEX);
            } catch (Exception $ex) {
                // ignore
            }
        }
        usleep(50000);
    }
}
</head>
<body>
  <title>Game Server Interface</title>
	<script src="functions.js"></script>
  <link href="options.css" rel="stylesheet" type="text/css" />
  <h1>Game Server Interface</h1>
  <a class="a2"href="logout.php">logout</a>
	<a class="a2" href="bugs/bug.php">Report Bug</a>
	<a class="a2" href="myprofile.php">My Profile</a>
<?php 
include 'config.php';
include 'functions.php';
$serverid = $_GET['serverid'];
$auth = auth($serverid, $userid);
echo '<p>Your User-ID is: ' . $userid . '</p>';
$ips = getips($_GET['serverid']);
$configs = shell_exec('ls ' . $direction1 . $serverid . '/costmstartparam');
$info = explode("\n", $configs);
if ($auth == 1) {
    $arradmins = explode('#', $ips['admin_id']);
    echo '<div class="small">
			<form action="allow.php?serverid=' . $serverid . '" method="post">
			<input type="number" min="1" default="1" name="newadmin" placeholder=" id">
			<input id="submitter" class="disableditem" type="submit" value="Confirm">
			<label for="submitter" class="normala">add</label>
			</form>';
    for ($i = 1; $i < count($arradmins) - 1; $i++) {
        echo '<span id=ad' . $arradmins[$i] . '>';
        echo '<p2>[' . $arradmins[$i] . '</p2>';
        echo '<a onclick=kick("' . $arradmins[$i] . '","' . $serverid . '") class="normala">Kick]</a></span> ';
    }