/**
* Render a FlashMessage across all TYPO3 version supported
* @param FlashMessage $flashMessage
* @return string HTML
*/
private function renderFlashMessage(FlashMessage $flashMessage)
{
// From TYPO3 8.0 and higher, we can use getMessageAsMarkup(), but everything older should use render() method
if (is_callable([$flashMessage, 'getMessageAsMarkup'])) {
return $flashMessage->getMessageAsMarkup();
} else {
return $flashMessage->render();
}
}
