Ojs\JournalBundle\Listeners\IssueMailer::getSubscribedEvents PHP 메소드

    public static function getSubscribedEvents()
    {
        return array(IssueEvents::POST_CREATE => 'onIssuePostCreate', IssueEvents::POST_UPDATE => 'onIssuePostUpdate', IssueEvents::PRE_DELETE => 'onIssuePreDelete');
    }