1. Go to this page and download the library: Download asika/sitemap library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
asika / sitemap example snippets
use Asika\Sitemap\Sitemap;
$sitemap = new Sitemap();