1. Go to this page and download the library: Download feimx/csd-converter 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/ */
feimx / csd-converter example snippets
php
$converter = new FeiMx\Csd\CsdConverter();
echo $converter->serial_number();
php
echo $converter->serial_number;
echo $converter->tax_id;
echo $converter->valid_from; // instance of Carbon
echo $converter->valid_to; // instance of Carbon
echo $converter->getStatus();