Newscoop\Services\AttachmentService::getLevel1DirectoryName PHP Метод

    private function getLevel1DirectoryName(Attachment $attachment)
    {
        if ($attachment->getId()) {
            $level1Dir = floor($attachment->getId() / ($this->config['file_num_dirs_level_1'] * $this->config['file_num_dirs_level_2']));
        } else {
            $level1Dir = 0;
        }
        $level1ZeroPad = strlen($this->config['file_num_dirs_level_1']);
        return sprintf('%0' . $level1ZeroPad . 'd', $level1Dir);
    }