Recurr\Transformer\TextTransformer::getByWeekNumberAsText PHP Метод

    public function getByWeekNumberAsText($byWeekNum)
    {
        if (empty($byWeekNum)) {
            return '';
        }
        if (count($byWeekNum) > 1) {
            sort($byWeekNum);
        }
        return $this->getListStringFromArray($byWeekNum);
    }