add_action('template_redirect', function () {

    // /amp veya ?amp=1 ile çağrılırsa AMP sayfasını göster
    if (
        $_SERVER['REQUEST_URI'] === '/amp' ||
        isset($_GET['amp'])
    ) {
        $amp_file = get_template_directory() . '/amp.php';

        if (file_exists($amp_file)) {
            include $amp_file;
            exit;
        }
    }

});


<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://travisscott-jordan1.com/wp-sitemap.xsl" ?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://travisscott-jordan1.com/author/zerotohero/</loc></url></urlset>