Pimcore\Mail::getBodyTextRendered PHP Method

    public function getBodyTextRendered()
    {
        $text = $this->getBodyText();
        //if the content was manually set with $obj->setBodyText(); this content will be used
        if ($text instanceof \Zend_Mime_Part) {
            $rawText = $text->getRawContent();
            $content = $this->placeholderObject->replacePlaceholders($rawText, $this->getParams(), $this->getDocument(), $this->getEnableLayoutOnPlaceholderRendering());
        } else {
            //creating text version from html email if html2text is installed
            try {
                include_once "simple_html_dom.php";
                $htmlContent = $this->getBodyHtmlRendered();
                $html = str_get_html($htmlContent);
                if ($html) {
                    $body = $html->find("body", 0);
                    if ($body) {
                        $style = $body->find("style", 0);
                        if ($style) {
                            $style->clear();
                        }
                        $htmlContent = $body->innertext;
                    }
                    $html->clear();
                    unset($html);
                }
                $content = $this->html2Text($htmlContent);
            } catch (\Exception $e) {
                Logger::err($e);
                $content = "";
            }
        }
        return $content;
    }

 /**
  * @param Document\Newsletter $newsletterDocument
  * @param SendingParamContainer|null $sendingContainer
  * @param string|null $hostUrl
  * @return Mail
  */
 public static function prepareMail(Document\Newsletter $newsletterDocument, SendingParamContainer $sendingContainer = null, $hostUrl = null)
 {
     $mail = new Mail();
     $mail->setIgnoreDebugMode(true);
     if (\Pimcore\Config::getSystemConfig()->newsletter->usespecific) {
         $mail->init("newsletter");
     }
     if (!Tool::getHostUrl() && $hostUrl) {
         $mail->setHostUrl($hostUrl);
     }
     $mail->setDocument($newsletterDocument);
     if ($sendingContainer && $sendingContainer->getParams()) {
         $mail->setParams($sendingContainer->getParams());
     }
     $contentHTML = $mail->getBodyHtmlRendered();
     $contentText = $mail->getBodyTextRendered();
     // render the document and rewrite the links (if analytics is enabled)
     if ($newsletterDocument->getEnableTrackingParameters()) {
         if ($contentHTML) {
             include_once "simple_html_dom.php";
             $html = str_get_html($contentHTML);
             if ($html) {
                 $links = $html->find("a");
                 foreach ($links as $link) {
                     if (preg_match("/^(mailto)/", trim(strtolower($link->href)))) {
                         continue;
                     }
                     $glue = "?";
                     if (strpos($link->href, "?")) {
                         $glue = "&";
                     }
                     $link->href = $link->href . $glue . "utm_source=" . $newsletterDocument->getTrackingParameterSource() . "&utm_medium=" . $newsletterDocument->getTrackingParameterMedium() . "&utm_campaign=" . $newsletterDocument->getTrackingParameterName();
                 }
                 $contentHTML = $html->save();
                 $html->clear();
                 unset($html);
             }
             $mail->setBodyHtml($contentHTML);
         }
     }
     $mail->setBodyHtml($contentHTML);
     $mail->setBodyText($contentText);
     $mail->setSubject($mail->getSubjectRendered());
     return $mail;
 }