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

    public function loadPublisherManager()
    {
        $entity = new PublisherManagers();
        $entity->setPublisher($this->em->getRepository(Publisher::class)->find(1))->setUser($this->em->getRepository(User::class)->find(6));
        $this->em->persist($entity);
        $this->em->flush();
        return $entity->getId();
    }