 <?php

          $domain=str_replace("http://","",$_SERVER['HTTP_HOST']);
          $domain=str_replace("www","",$domain); 
          $nd=explode(".",$domain);
          $subdominio=$nd[0];

          if(strlen($subdominio)<25 and file_exists('media/'.$subdominio.'.json'))
          {

         $sitemap = '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
      <loc>http://'.$_SERVER['HTTP_HOST'].'/index.php</loc>
   </url>
</urlset>';
         header('Content-type: application/xml; charset=utf-8');
         /*echo '<?xml version="1.0" encoding="UTF-8"?>';*/
         echo $sitemap;
      }else
      {
         echo "0";
      }
?> 