Site::update

static function update($id, array $fields)
{
	$result = new PublicActionResult();
	$error = new BitrixLandingError;

	$fields = self::clearDisallowFields($fields);

	$res = SiteCore::update($id, $fields);

	if ($res->isSuccess())
	{
		$result->setResult(true);
	}
	else
	{
		$error->addFromResult($res);
		$result->setError($error);
	}

	return $result;
}