Ojs\JournalBundle\Controller\JournalUserController::deleteUserAction PHP Метод

    public function deleteUserAction(Request $request, $id)
    {
        $journal = $this->get('ojs.journal_service')->getSelectedJournal();
        $eventDispatcher = $this->get('event_dispatcher');
        $em = $this->getDoctrine()->getManager();
        $entity = $em->getRepository('OjsJournalBundle:JournalUser')->find($id);
        $this->throw404IfNotFound($entity);
        if (!$this->isGranted('DELETE', $journal, 'userRole')) {
            throw new AccessDeniedException("You not authorized to remove this user from the journal.");
        }
        $csrf = $this->get('security.csrf.token_manager');
        $token = $csrf->getToken('ojs_journal_user' . $id);
        if ($token->getValue() !== $request->get('_token')) {
            throw new TokenNotFoundException("Token Not Found!");
        }
        $event = new JournalItemEvent($entity);
        $eventDispatcher->dispatch(JournalUserEvents::PRE_DELETE, $event);
        /** @var JournalUser $entity */
        $entity = $event->getItem();
        foreach ($entity->getRoles() as $role) {
            $entity->removeRole($role);
        }
        $em->remove($entity);
        $em->flush();
        $event = new JournalEvent($journal);
        $eventDispatcher->dispatch(JournalUserEvents::POST_DELETE, $event);
        if ($event->getResponse()) {
            return $event->getResponse();
        }
        $this->successFlashBag('successful.remove');
        return $this->redirectToRoute('ojs_journal_user_index', ['journalId' => $journal->getId()]);
    }