'mysql', 'host' => $_ENV['DB_HOST'], 'port' => $_ENV['DB_PORT'], 'database' => $_ENV['DB_DATABASE'], 'username' => $_ENV['DB_USERNAME'], 'password' => $_ENV['DB_PASSWORD'], 'charset' => 'utf8', 'collation' => 'utf8_general_ci', 'prefix' => $_ENV['DB_PREFIX'] ];