$_ENV['DB_HOST'] ?? '127.0.0.1', 'port' => $_ENV['DB_PORT'] ?? '3306', 'database' => $_ENV['DB_DATABASE'] ?? 'musadaq_db', 'username' => $_ENV['DB_USERNAME'] ?? 'musadaq_user', 'password' => $_ENV['DB_PASSWORD'] ?? '', 'charset' => $_ENV['DB_CHARSET'] ?? 'utf8mb4', ];