// .env example

DATABASE_NAME=""
DATABASE_USER=""
DATABASE_PASS=""
SECRET_KEY="souper_seekret_key"

// Example.php You project file
<?php
require 'vendor/autoload.php';
$dotenv = new Dotenv\Dotenv(__DIR__);
$dotenv->load();

// Accessing the .env file variables
$dbname = getenv('DATABASE_NAME');
$dbname = $_ENV['DATABASE_NAME'];
$dbname = $_SERVER['DATABASE_NAME'];