protected function loadData($filePath, $returns = array())
    {
        if (file_exists($filePath)) {
            $content = $this->getFileManager()->getContents($filePath);
            $data = Json::getArrayData($content);
            if (empty($data)) {
                $GLOBALS['log']->warning('FileUnifier::unify() - Empty file or syntax error - ['.$filePath.']');
                return $returns;
            }

            return $data;
        }

        return $returns;
    }