Legion PE status generator, hosted at http://lgpe.co/status/

index.php

<?php
$begin = microtime(true);
const NORM = "/var/www/html/sgn/norm.ttf";
const BOLD = "/var/www/html/sgn/bold.ttf";
const X_INTERVAL = 6;
const LEFT_PADDING = 80;
const RIGHT_PADDING_24 = 325;
const RIGHT_PADDING_SLOTS = 350;
const TOP_PADDING = 100;
const BOTTOM_PADDING_24 = 80;
const BOTTOM_PADDING_SLOTS = 20;
const GRAPH_HEIGHT = 300;
const RADIUS = 200;
define("DIAMETER", RADIUS * 2);
require_once "/var/www/html/bnr/utils.php"; // fetch root
function writeTextCenter($img, $txt, $x0, $y0, $color, $size = 12.0, $bold = false, $angle = 0.0){
	list($xleft, $ylow, $xright, , , $yhigh) = imagettfbbox($size, $angle, $bold ? BOLD : NORM, $txt);
	imagettftext($img, $size, $angle, $x0 - ($xright - $xleft) / 2, $y0 - ($yhigh - $ylow) / 2, $color, $bold ? BOLD : NORM, $txt);
}

// prepare current-slots banner
$r = $db->query("SELECT unix_timestamp()-unix_timestamp(last_up) as diff, cnt, kitpvp, parkour, spleef, infected FROM active_servers WHERE sid=9");
$row = $r->fetch_assoc();
$r->close();
$img = imagecreate($width = LEFT_PADDING + RADIUS * 2 + RIGHT_PADDING_SLOTS, $height = TOP_PADDING + RADIUS * 2 + BOTTOM_PADDING_SLOTS);
$gray = imagecolorallocate($img, 128, 128, 128);
$white = imagecolorallocate($img, 0, 0, 0);
$black = imagecolorallocate($img, 255, 255, 255);
$red = imagecolorallocate($img, 255, 64, 0);
$green = imagecolorallocate($img, 64, 255, 0);
$blue = imagecolorallocate($img, 0, 64, 255);
imagefill($img, 0, 0, $gray);
imagearc($img, $centerx = LEFT_PADDING + RADIUS, $centery = TOP_PADDING + RADIUS, DIAMETER, DIAMETER, 0, 360, $black);
imagesetpixel($img, LEFT_PADDING + RADIUS, TOP_PADDING + RADIUS, $black);
UT3QueryServer("pe.legionpvp.eu", 19132, $result);
$max = $result["maxplayers"];
$unused = 360 - $row["cnt"] / $max * 360;
$kitpvp = $row["kitpvp"] / $max * 360;
$parkour = $row["parkour"] / $max * 360;
$spleef = $row["spleef"] / $max * 360;
$infected = $row["infected"] / $max * 360;
$degree = 0;
imagefilledarc($img, $centerx, $centery, DIAMETER, DIAMETER, $maxArc = 360 - $unused, 360, $black, IMG_ARC_PIE);
imagefilledarc($img, $centerx, $centery, DIAMETER, DIAMETER, $degree, $degree += $kitpvp, $red, IMG_ARC_PIE);
imagefilledarc($img, $centerx, $centery, DIAMETER, DIAMETER, $degree, $degree += $parkour, $green, IMG_ARC_PIE);
imagefilledarc($img, $centerx, $centery, DIAMETER, DIAMETER, $degree, $degree += $spleef, $blue, IMG_ARC_PIE);
//imagefilledarc($img, $centerx, $centery, DIAMETER, DIAMETER, $degree, $degree += $infected, $blue, IMG_ARC_PIE);
imagefilledarc($img, $centerx, $centery, DIAMETER, DIAMETER, $degree, $maxArc, $white, IMG_ARC_PIE);
$slotsStr = "";
writeTextCenter($img, "    Current distribution    ", $width / 2, TOP_PADDING / 2 - 15, $black, 24, true);
writeTextCenter($img, "of server slots (total: $max)", $width / 2, TOP_PADDING / 2 + 15, $black, 24, true);
$x = LEFT_PADDING + DIAMETER + 10;
$y = TOP_PADDING + RADIUS - 50;
$cnt = $row["cnt"];
$kitpvp = $row["kitpvp"];
$parkour = $row["parkour"];
$spleef = $row["spleef"];
$unused = $max - $cnt;
$cnt -= $kitpvp + $parkour + $spleef;
imagettftext($img, 18.0, 0.0, $x, $y, $red, BOLD, "KitPvP ($kitpvp, " . round($kitpvp / $max * 100) . "%)");
$y += 25;
imagettftext($img, 18.0, 0.0, $x, $y, $green, BOLD, "Parkour ($parkour, " . round($parkour / $max * 100) . "%)");
$y += 25;
imagettftext($img, 18.0, 0.0, $x, $y, $blue, BOLD, "Spleef ($spleef, " . round($spleef / $max * 100) . "%)");
$y += 25;
imagettftext($img, 18.0, 0.0, $x, $y, $black, BOLD, "Unused slots ($unused, " . round($unused / $max * 100) . "%)");
$y += 25;
imagettftext($img, 18.0, 0.0, $x, $y, $white, BOLD, "Unauthenticated/\nHub ($cnt, " . round($cnt / $max * 100) . "%)");
ob_start(function($buffer){
	global $slotsStr;
	$slotsStr .= $buffer;
	return "";
});
imagepng($img, null, 9);
ob_end_flush();

// prepare 24-hour banner
$r = $db->query("SELECT cnt, connects, joins, unix_timestamp() - unix_timestamp(at) AS diff FROM players_cnt WHERE unix_timestamp() - unix_timestamp(at) <= 86400 LIMIT 144"); # 864
$status = [];
while(is_array($row=$r->fetch_assoc())){
	$status[] = $row;
}
$r->close();
while(count($status) < 144){
	array_unshift($status, ["cnt" => 0, "connects" => 0, "joins" => 0, "diff" => INF]);
}
$maxCnt = 0;
$maxConns = 0;
$maxJoins = 0;
foreach($status as $row){
	$maxCnt = max($maxCnt, $row["cnt"]);
	$maxConns = max($maxConns, $row["connects"]);
	$maxJoins = max($maxJoins, $row["joins"]);
}
$maxConns = $maxJoins = max($maxConns, $maxJoins);

$img = imagecreate($width = count($status) * X_INTERVAL + LEFT_PADDING + RIGHT_PADDING_24, $height = TOP_PADDING + GRAPH_HEIGHT + BOTTOM_PADDING_24);
$statusXdY = $width / $height;
$x0 = LEFT_PADDING;
$x1 = $width - RIGHT_PADDING_24;
$y0 = TOP_PADDING;
$y1 = TOP_PADDING + GRAPH_HEIGHT;
$black = imagecolorallocate($img, 255, 255, 255);
$white = imagecolorallocate($img, 0, 0, 0);
$red = imagecolorallocate($img, 255, 0, 0);
$blue = imagecolorallocate($img, 0, 255, 0);
$green = imagecolorallocate($img, 0, 0, 255);
$greenblue = imagecolorallocate($img, 0, 255, 255);
imagefill($img, 0, 0, $white);
writeTextCenter($img, "Online players in past 24 hours", $width / 2, $y0 / 2 - 10, $black, 42.0, true);
imageline($img, $x0, $y0, $x0, $y1, $black);
imageline($img, $x0, $y1, $x1, $y1, $black);
$x = $x0 - X_INTERVAL / 2;
$ya = $y1;
$yb = $y1;
$yc = $y1;
$i = 0;
foreach($status as $row){
	$ox = $x;
	$y = $y0;
	imageline($img, $ox, $ya, $x += X_INTERVAL, $ya = $y + ($maxCnt - $row["cnt"]) / $maxCnt * ($y1 - $y), $red);
	$y += 20;
	imageline($img, $ox, $yb, $x, $yb = $y + ($maxConns - $row["connects"]) / $maxConns * ($y1 - $y), $green);
//	$y += 40;
	imageline($img, $ox, $yc, $x, $yc = $y + ($maxJoins - $row["joins"]) / $maxJoins * ($y1 - $y), $blue);
	if(($i & 0x0F) === 0){
		writeTextCenter($img, round($row["diff"] / 3600, 1), $x, $y1 + 10, $black, 12.0, false, 30.0);
	}
	$i++;
}
$x = $x0 - 60;
$y = $y0;
writeTextCenter($img, $maxCnt      , $x, $y                 , $red, 12.0, true);
writeTextCenter($img, $maxCnt   / 4, $x, $y + ($y1 - $y)*3/4, $red, 12.0, true);
writeTextCenter($img, $maxCnt   / 2, $x, $y + ($y1 - $y) / 2, $red, 12.0, true);
writeTextCenter($img, $maxCnt  *3/4, $x, $y + ($y1 - $y) / 4, $red, 12.0, true);
$x += 30;
$y += 20;
writeTextCenter($img, $maxConns    , $x, $y                 , $greenblue, 12.0, true);
writeTextCenter($img, $maxConns / 4, $x, $y + ($y1 - $y)*3/4, $greenblue, 12.0, true);
writeTextCenter($img, $maxConns / 2, $x, $y + ($y1 - $y) / 2, $greenblue, 12.0, true);
writeTextCenter($img, $maxConns*3/4, $x, $y + ($y1 - $y) / 4, $greenblue, 12.0, true);
//$x += 30;
//$y += 20;
//writeTextCenter($img, $maxJoins    , $x, $y                 , $blue, 12.0, true);
//writeTextCenter($img, $maxJoins / 4, $x, $y + ($y1 - $y)*3/4, $blue, 12.0, true);
//writeTextCenter($img, $maxJoins / 2, $x, $y + ($y1 - $y) / 2, $blue, 12.0, true);
//writeTextCenter($img, $maxJoins*3/4, $x, $y + ($y1 - $y) / 4, $blue, 12.0, true);

imagettftext($img, 18.0, 0.0, $x1, ($y1 - $y0) / 2 + $y0 - 25, $red, BOLD, "Number of players online");
imagettftext($img, 18.0, 0.0, $x1, ($y1 - $y0) / 2 + $y0, $green, BOLD, "Number of connect attempts");
imagettftext($img, 18.0, 0.0, $x1, ($y1 - $y0) / 2 + $y0 + 25, $blue, BOLD, "Number of new joins");
writeTextCenter($img, "hours ago", ($x1 - $x0) / 2 + $x0, $y1 + 35, $black, 18.0, true);

$h24Str = "";
ob_start(function($buffer){
	global $h24Str;
	$h24Str .= $buffer;
	return "";
});
imagepng($img, null, 9);
ob_end_flush();
?>
<html>
<head>
	<title>Status | Legion PE</title>
	<style>
body{
	font-family: Helvetica, sans-serif;
}
h1{
	font-weight: bolder;
}
	</style>
</head>
<body>
<h1>LegionPE Status</h1>
<hr>
<?php $height = 380; ?>
<img src="data:image/png;base64,<?= base64_encode($h24Str) ?>" width="<?= $height * $statusXdY ?>" height="<?= $height ?>">
<hr>
<?php $height = 500; ?>
<img src="data:image/png;base64,<?= base64_encode($slotsStr) ?>">
<hr>
<footer>Page generated in <?= microtime(true) - $begin ?> second(s).</footer>
</body>
</html>

Global variable $db and function UT3QueryServer are defined on line 15. The script is something like this:

$db = new mysqli(__DBHOST__, __DBUSER__, __DBHPASS__, __DBDATABASE__);
// Query code for PocketMine Banners from @99leonchang
const SERVER_OK = 0;
const SERVER_DOWN = 1;
const TIMEOUT = 1;
const SERVER_INVALID = 2;
const UNKNOWN_ERROR = 3;
function UT3QueryServer($host,$port,&$return){
    /** @noinspection PhpUsageOfSilenceOperatorInspection */
    $sock = @fsockopen("udp://" . $host, $port);
    if(!$sock){
        return SERVER_INVALID;
    }
    socket_set_timeout($sock, 0, 500000);
    /** @noinspection PhpUsageOfSilenceOperatorInspection */
    if(!@fwrite($sock, "\xFE\xFD\x09\x10\x20\x30\x40\xFF\xFF\xFF\x01")){
        return SERVER_DOWN;
    }
    $challenge = fread( $sock, 1400 );
    if(!$challenge){
        return UNKNOWN_ERROR;
    }
    $challenge = substr(preg_replace("/[^0-9\-]/si", "", $challenge), 1);
    $query = sprintf(
        "\xFE\xFD\x00\x10\x20\x30\x40%c%c%c%c\xFF\xFF\xFF\x01",
        ($challenge >> 24),
        ($challenge >> 16),
        ($challenge >> 8),
        ($challenge >> 0)
    );
    /** @noinspection PhpUsageOfSilenceOperatorInspection */
    if(!@fwrite($sock, $query)){
        return UNKNOWN_ERROR;
    }
    $response = [];
    for($x = 0; $x < 2; $x++){
        /** @noinspection PhpUsageOfSilenceOperatorInspection */
        $response[] = @fread($sock,2048);
    }
    $response = implode($response);
    $response = substr($response,16);
    $response = explode("\0",$response);
    array_pop($response);
    array_pop($response);
    array_pop($response);
    array_pop($response);
    $return = [];
    $type = false;
    $val = "";
    foreach($response as $key){
        if($type){
            $return[$val] = $key;
        }else{
            $val = $key;
        }
        $type = !$type;
    }
    return SERVER_OK;
}

For the server part, I won't share the counter plugin since it contains some credentials and I'm too lazy to remove them.