/** * Parses content for URLs and tokens. * * @param EmailSendEvent $event * @param $emailId * * @return mixed */ protected function parseContentForUrls(EmailSendEvent $event, $emailId) { static $convertedContent = []; // Prevent parsing the exact same content over and over if (!isset($convertedContent[$event->getContentHash()])) { $html = $event->getContent(); $text = $event->getPlainText(); $contentTokens = $event->getTokens(); list($content, $trackables) = $this->pageTrackableModel->parseContentForTrackables([$html, $text], $contentTokens, $emailId ? 'email' : null, $emailId); list($html, $text) = $content; unset($content); if ($html) { $event->setContent($html); } if ($text) { $event->setPlainText($text); } $convertedContent[$event->getContentHash()] = $trackables; // Don't need to preserve Trackable or Redirect entities in memory $this->em->clear('Mautic\\PageBundle\\Entity\\Redirect'); $this->em->clear('Mautic\\PageBundle\\Entity\\Trackable'); unset($html, $text, $trackables); } return $convertedContent[$event->getContentHash()]; }