public function execute(EmailTemplate $template)
{
$body = $template->getBody();
$regex = "/{{\\s*(?<variable>.*?)\\s*}}/uis";
preg_match_all($regex, $body, $matches);
$foundVariables = $matches['variable'];
$availableTags = $template->getTags();
foreach ($foundVariables as $variable) {
if (!in_array($variable, $availableTags)) {
$search = "/({{\\s*" . preg_quote($variable) . "\\s*}})/ui";
$body = preg_replace($search, $variable, $body, 1);
}
}
$template->setBody($body);
}
