1. Go to this page and download the library: Download unleashedtech/dotenv-drupal 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/ */
unleashedtech / dotenv-drupal example snippets
use UnleashedTech\Drupal\Dotenv\Dotenv;
$dotenv = $dotenv ?? new Dotenv();
$config = $dotenv->getConfig();
$databases = $dotenv->getDatabases();
$settings = $dotenv->getSettings();