<?php header('Content-type: application/xml; charset="utf8"',true);  ?>
<sitemapindex xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/siteindex.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">

  <sitemap>
    <loc>https://www.siteadresi.com/sitemap.xml</loc>
    <lastmod><?php $tarih=date("Y-m-d"); ?></lastmod>
  </sitemap>

  <sitemap>
    <loc>https://www.siteadresi.com/sitemap1.xml</loc>
    <lastmod><?php $tarih=date("Y-m-d"); ?></lastmod>
  </sitemap>

  <sitemap>
    <loc>https://www.siteadresi.com/sitemap2.xml</loc>
    <lastmod><?php $tarih=date("Y-m-d"); ?></lastmod>
  </sitemap>

  <sitemap>
    <loc>https://www.siteadresi.com/sitemap3.xml</loc>
    <lastmod><?php $tarih=date("Y-m-d"); ?></lastmod>
  </sitemap>

</sitemapindex>