1. Go to this page and download the library: Download charcoal/config 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/ */
charcoal / config example snippets
use Charcoal\Config\GenericConfig as Config;
$cfg = new Config('config.json');
$cfg->addFile('config.yml');