1. Go to this page and download the library: Download black/address 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/ */
black / address example snippets
$country = new Address\Country("France", "FR");
echo $country->getName(); // return (string) France