Manager::getLangISO

static function getLangISO(): string
{
	$transform = [
		'br' => 'pt-BR',
		'la' => 'es',
		'sc' => 'zh-Hans',
		'tc' => 'zh-Hant',
		'vn' => 'vi',
		'ua' => 'uk',
		'in' => 'hi',
	];

	return $transform[LANGUAGE_ID] ?? LANGUAGE_ID;
}