function _getArticleTitle($notification) { assert($notification->getAssocType() == ASSOC_TYPE_SUBMISSION); assert(is_numeric($notification->getAssocId())); $articleDao = DAORegistry::getDAO('ArticleDAO'); /* @var $articleDao ArticleDAO */ $article = $articleDao->getById($notification->getAssocId()); if (!$article) { return null; } return $article->getLocalizedTitle(); }