public function getLogFilenameList($filename = null)
    {
        $data = [];

        if (empty($filename)) {
            $filename = '*.*';
        }

        $files = $this->getLogFileList($filename);

        if (is_array($files)) {
            foreach ($files as $file) {
                $basename = pathinfo($file, PATHINFO_BASENAME);
                $data[$basename] = $file;
            }
        }

        return $data;
    }