Counter::getChatCounter

static function getChatCounter($chatId, $userId = null)
{
	$chatId = intval($chatId);
	$userId = Common::getUserId($userId);

	if ($chatId <= 0 || $userId <= 0)
	{
		return false;
	}

	$counters = self::get($userId);

	return intval($counters['CHAT'][$chatId]);
}