// Don't stick the language or theme after this point.
	unset($_SESSION['language'], $_SESSION['id_theme']);

	// First login?
	$request = $smcFunc['db_query']('', '
		SELECT last_login
		FROM {db_prefix}members
		WHERE id_member = {int:id_member}
			AND last_login = 0',
		array(
			'id_member' => $user_info['id'],
		)
	);
	if ($smcFunc['db_num_rows']($request) == 1)
		$_SESSION['first_login'] = true;
	else
		unset($_SESSION['first_login']);
	$smcFunc['db_free_result']($request);

	// You've logged in, haven't you?