@since Method available since Release 3.6.0
string $message:
protected function showExtensionNotLoadedMessage($extension, $message = '') {
if (isset($this->missingExtensions[$extension])) {
return;
}
if (!empty($message)) {
$message = ' ' . $message;
}
$this
->showMessage('The ' . $extension . ' extension is not loaded.' . $message . "\n", FALSE);
$this->missingExtensions[$extension] = TRUE;
}