question/editlib.php coding style

/**
 * Function to read all questions for category into big array
 *
 * @param object $category category number
 * @param bool $noparent if true only questions with NO parent will be selected
 * @param bool $recurse include subdirectories
 * @param bool $export set true if this is called by questionbank export
 * @param bool $latestversion if only the latest versions needed
 * @return array
 */
function get_questions_category(object $category, bool $noparent, bool $recurse = true, bool $export = true,
        bool $latestversion = false): array {
    global $DB;