Counter::getDialogCounter

static function getDialogCounter($opponentUserId, $userId = null)
{
	$userId = Common::getUserId($userId);
	$opponentUserId = intval($opponentUserId);
	if ($userId <= 0 || $opponentUserId <= 0)
	{
		return false;
	}

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

	return intval($counters['DIALOG'][$opponentUserId]);
}