ArticleHandler::cite PHP Метод

    function cite($args, $request)
    {
        $router = $request->getRouter();
        $this->setupTemplate($request);
        $articleId = isset($args[0]) ? $args[0] : 0;
        $citeType = isset($args[1]) ? $args[1] : null;
        $returnFormat = isset($args[2]) ? $args[2] : null;
        $citationPlugins = PluginRegistry::loadCategory('citationFormats');
        import('lib.pkp.classes.core.JSONMessage');
        if (empty($citeType) || !isset($citationPlugins[$citeType])) {
            AppLocale::requireComponents(LOCALE_COMPONENT_APP_SUBMISSION);
            $errorMessage = __('submission.citationFormat.notFound');
            if ($returnFormat == 'json') {
                return new JSONMessage(false, $errorMessage);
            } else {
                echo $errorMessage;
            }
            return;
        }
        $article = $this->article;
        $issue = $this->issue;
        $journal = $request->getContext();
        // Initiate a file download and exit
        if ($citationPlugins[$citeType]->isDownloadable()) {
            $citationPlugins[$citeType]->downloadCitation($article, $issue, $journal);
            return;
        }
        $citation = $citationPlugins[$citeType]->fetchCitation($article, $issue, $journal);
        // Return a JSON formatted string
        if ($returnFormat == 'json') {
            return new JSONMessage(true, $citation);
            // Display it straight to the browser
        } else {
            echo $citation;
            return;
        }
    }