private function extractNameAndLanguage($fullName)
{
$fullName = trim($fullName);
$lastColon = strrpos($fullName, ':');
if (!$lastColon) {
return;
}
$name = substr($fullName, 0, $lastColon);
$languageCode = substr($fullName, $lastColon + 1);
return array('name' => $name, 'locale' => $languageCode);
}