Ojs\JournalBundle\Entity\Issue::getJournal PHP Метод

    public function getJournal()
    {
        return $this->journal;
    }

 /**
  * @param SitemapPopulateEvent $event
  * @param Issue $issue
  * @return SitemapPopulateEvent
  */
 private function generateArticleLinks(SitemapPopulateEvent $event, Issue $issue)
 {
     $articles = $issue->getArticles();
     $journal = $issue->getJournal();
     foreach ($articles as $article) {
         $event->getGenerator()->addUrl(new UrlConcrete($this->router->generate('ojs_article_page', ['publisher' => $journal->getPublisher()->getSlug(), 'slug' => $journal->getSlug(), 'issue_id' => $issue->getId(), 'article_id' => $article->getId()], true), new \DateTime(), UrlConcrete::CHANGEFREQ_WEEKLY, 1), 'journals-' . $journal->getSlug());
     }
     return $event;
 }