<form action="status.php" method="post">
Enter Server IP: <input type="text" name="ip" /><br>
Enter Port: <input type="text" name="port" /><br>
<input type="submit" />
</form>
<?php

echo "Status: ";
 = @fsockopen(ip, port, errno, errstr, 1);
if (!) {
echo "<B>Offline</B>";
}
else
{
echo "<B>Online</B>";
fclose();
}
?>
<Location /server-status>
</Location>