Connector::needRestrictionNote

static function needRestrictionNote(string $connector, string $region, string $lang): bool
{
	if (mb_strtolower($lang) !== 'ru')
	{
		return false;
	}

	if (mb_strtolower($region) !== 'ru')
	{
		return false;
	}

	if (!in_array($connector, Library::RU_RESTRICTED_META_CONNECTORS, true))
	{
		return false;
	}

	return true;
}