1. Go to this page and download the library: Download nr/pagetablenext 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/ */
nr / pagetablenext example snippets
// if your field name is "ptn":
echo $page->render->ptn;