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function yamlform_mail_alter in YAML Form 8

Implements hook_mail_alter().

File

./yamlform.module, line 238
Enables the creation of forms and questionnaires.

Code

function yamlform_mail_alter(&$message) {

  // Drupal hardcodes all mail header as 'text/plain' so we need to set the
  // header's 'Content-type' to HTML if the EmailYamlFormHandler's
  // 'html' flag has been set.
  // @see \Drupal\Core\Mail\MailManager::mail()
  // @see \Drupal\yamlform\Plugin\YamlFormHandler\EmailYamlFormHandler::getMessage().
  if (strpos($message['id'], 'yamlform') === 0) {
    if ($message['params']['html']) {
      $message['headers']['Content-Type'] = 'text/html; charset=UTF-8; format=flowed';
    }
  }
}