Ojs\CoreBundle\Service\SampleObjectLoader::loadJournalPage PHP Method

    public function loadJournalPage()
    {
        $journal = $this->em->getRepository(Journal::class)->find(1);
        $entity = new JournalPage();
        $entity->setCurrentLocale('tr')->setTitle('Title')->setSlug('title-page')->setBody('Content')->setVisible(true)->setTags('tag')->setJournal($journal);
        $this->em->persist($entity);
        $this->em->flush();
        return $entity->getId();
    }