Ojs\CoreBundle\Service\OjsMailer::transformTemplate PHP Метод

    public function transformTemplate($template, $transformParams = [])
    {
        foreach ($transformParams as $transformKey => $transformParam) {
            $template = str_replace('[[' . $transformKey . ']]', $transformParam, $template);
        }
        return $template;
    }

 /**
  * @param GetResponseUserEvent $event
  */
 public function onProfileEditCompleted(GetResponseUserEvent $event)
 {
     $getMailEvent = $this->ojsMailer->getEventByName(FOSUserEvents::PROFILE_EDIT_COMPLETED);
     if (!$getMailEvent) {
         return;
     }
     /** @var User $user */
     $user = $event->getUser();
     $transformParams = ['user.username' => $user->getUsername(), 'user.fullName' => $user->getFullName(), 'user.mail' => $user->getEmail()];
     $template = $this->ojsMailer->transformTemplate($getMailEvent->getTemplate(), $transformParams);
     $this->ojsMailer->sendToUser($user, $getMailEvent->getSubject(), $template);
 }