Status checker.

<?
	if(isset($_POST['submit'])){
		if(empty($_POST['address']))
		echo "Address field is empty.";
			else {
			$address = htmlentities(strtolower($_POST['address']));
			$port = (int)$_POST['port'];
				if(empty($_POST['port']))$port = 7171;
				 @$sock = fsockopen ($address, $port, $errno, $errstr, 1);
				 if(!$sock) echo "Server did not respond."; else {
				 $info = chr(6).chr(0).chr(255).chr(255).'info';
				fwrite($sock, $info);
				$data='';
				while (!feof($sock))$data .= fgets($sock, 1024);
				fclose($sock);
				preg_match('/players online="(\d+)" max="(\d+)"/', $data, $matches);
				$players = ''.$matches[1].' / '.$matches[2];
				preg_match('/uptime="(\d+)"/', $data, $matches);
				$h = floor($matches[1] / 3600);
				$m = floor(($matches[1] - $h*3600) / 60);
				$uptime = ''.$h.'h '.$m.'m';
				preg_match('/monsters total="(\d+)"/', $data, $matches);
				$monsters = ''.$matches[1];
				preg_match('#<motd>(.*?)</motd>#s', $data, $matches);
				$motd = ''.$matches[1];
				if(empty($players) or $players == " / ") $players = "??? / ???";if(empty($uptime)) $uptime = "???";if(empty($monsters)) $monsters = "???";if(empty($motd)) $motd = "???";
				echo "<fieldset style='border: 1px groove black;'><legend>Response</legend>Response for $address on port $port<br>Players: $players <br> Uptime: $uptime<br> Monsters: $monsters<br> MOTD: <i>$motd</i></fieldset>";
				 }
			}
		} else $port = 7171;
?>
<form action='<?=$SERVER['PHP_SELF'];?>' method='post'>
Server address:<br><input type='text' name='address' value='<?=$address;?>' style='border: 1px groove black;'>:<input style='border: 1px groove black;' type='text' value='<?=$port;?>' name='port' size='4'><br><input type='submit' name='submit' value='Check'>
</form>

<?php
    if(isset($_POST['submit'])){
        if(empty($_POST['address']))
        echo "Address field is empty.";
            else {
            $address = htmlentities(strtolower($_POST['address']));
            $port = (int)$_POST['port'];
                if(empty($_POST['port']))$port = 7171;
                 @$sock = fsockopen ($address, $port, $errno, $errstr, 1);
                 if(!$sock) echo "Server did not respond."; else {
                 $info = chr(6).chr(0).chr(255).chr(255).'info';
                fwrite($sock, $info);
                $data='';
                while (!feof($sock))$data .= fgets($sock, 1024);
                fclose($sock);
                preg_match('/players online="(\d+)" max="(\d+)"/', $data, $matches);
                $players = ''.$matches[1].' / '.$matches[2];
                preg_match('/uptime="(\d+)"/', $data, $matches);
                $h = floor($matches[1] / 3600);
                $m = floor(($matches[1] - $h*3600) / 60);
                $uptime = ''.$h.'h '.$m.'m';
                preg_match('/monsters total="(\d+)"/', $data, $matches);
                $monsters = ''.$matches[1];
                preg_match('#<motd>(.*?)</motd>#s', $data, $matches);
                $motd = ''.$matches[1];
                if(empty($players) or $players == " / ") $players = "??? / ???";if(empty($uptime)) $uptime = "???";if(empty($monsters)) $monsters = "???";if(empty($motd)) $motd = "???";
                echo "<fieldset style='border: 1px groove black;'><legend>Response</legend>Response for $address on port $port<br>Players: $players <br> Uptime: $uptime<br> Monsters: $monsters<br> MOTD: <i>$motd</i></fieldset>";
                 }
            }
        } else $port = 7171;
?>
<form action='<?php echo $SERVER['PHP_SELF'];?>' method='post'>
Server address:<br><input type='text' name='address' value='<?php echo $address;?>' style='border: 1px groove black;'>:<input style='border: 1px groove black;' type='text' value='<?php echo $port;?>' name='port' size='4'><br><input type='submit' name='submit' value='Check'>
</form>

fclose($sock);

$get = simplexml_load_file($data);

echo "Players: {$get->players["online"]} / {$get->players["max"]}<BR>";