Ojs\JournalBundle\Entity\Article::getSlug PHP Method

    public function getSlug()
    {
        return $this->slug;
    }

 /**
  *
  * @param  Article $article
  * @return string
  */
 public function generateUrl(Article $article)
 {
     $journalUrl = $this->journalService->generateUrl($article->getJournal());
     return $journalUrl . '/' . $article->getSlug();
 }