header('Content-Type: application/json; charset=utf-8');
if (($_SERVER['REQUEST_METHOD'] ?? '') === 'POST') {
    $bots = ['botcheck', 'website', 'url', 'homepage'];
    foreach ($bots as $b) {
        if (!empty($_POST[$b])) {
            echo json_encode(['ok' => true, 'success' => true]);
            exit;
        }
    }
    echo json_encode(['ok' => true, 'success' => true]);
    exit;
}
http_response_code(405);
echo json_encode(['ok' => false, 'error' => 'Method not allowed']);
exit;