html/generated/file_02.php

<?php
// 2. config.php – variables d’env + autoload
define('DB_DSN', 'mysql:host=localhost;dbname=erp;charset=utf8mb4');
define('DB_USER', $_ENV['DB_USER'] ?? 'root');
define('DB_PASS', $_ENV['DB_PASS'] ?? '']);

spl_autoload_register(function ($c) {
    $c = str_replace('\\', '/', $c);
    require_once __DIR__ . "/$c.php";
});