Contao\Email::hasFailures PHP Метод

    public function hasFailures()
    {
        return !empty($this->arrFailures);
    }

 /**
  * Compile the newsletter and send it
  *
  * @param Email                  $objEmail
  * @param Database\Result|object $objNewsletter
  * @param array                  $arrRecipient
  * @param string                 $text
  * @param string                 $html
  * @param string                 $css
  *
  * @return string
  */
 protected function sendNewsletter(Email $objEmail, Database\Result $objNewsletter, $arrRecipient, $text, $html, $css = null)
 {
     // Prepare the text content
     $objEmail->text = \StringUtil::parseSimpleTokens($text, $arrRecipient);
     if (!$objNewsletter->sendText) {
         // Default template
         if ($objNewsletter->template == '') {
             $objNewsletter->template = 'mail_default';
         }
         /** @var BackendTemplate|object $objTemplate */
         $objTemplate = new \BackendTemplate($objNewsletter->template);
         $objTemplate->setData($objNewsletter->row());
         $objTemplate->title = $objNewsletter->subject;
         $objTemplate->body = \StringUtil::parseSimpleTokens($html, $arrRecipient);
         $objTemplate->charset = \Config::get('characterSet');
         $objTemplate->recipient = $arrRecipient['email'];
         // Deprecated since Contao 4.0, to be removed in Contao 5.0
         $objTemplate->css = $css;
         // Parse template
         $objEmail->html = $objTemplate->parse();
         $objEmail->imageDir = TL_ROOT . '/';
     }
     // Deactivate invalid addresses
     try {
         $objEmail->sendTo($arrRecipient['email']);
     } catch (\Swift_RfcComplianceException $e) {
         $_SESSION['REJECTED_RECIPIENTS'][] = $arrRecipient['email'];
     }
     // Rejected recipients
     if ($objEmail->hasFailures()) {
         $_SESSION['REJECTED_RECIPIENTS'][] = $arrRecipient['email'];
     }
     // HOOK: add custom logic
     if (isset($GLOBALS['TL_HOOKS']['sendNewsletter']) && is_array($GLOBALS['TL_HOOKS']['sendNewsletter'])) {
         foreach ($GLOBALS['TL_HOOKS']['sendNewsletter'] as $callback) {
             $this->import($callback[0]);
             $this->{$callback[0]}->{$callback[1]}($objEmail, $objNewsletter, $arrRecipient, $text, $html);
         }
     }
 }