CAllUser::CheckFields

public function CheckFields(&$arFields, $ID = false)
{
	/**
	 * @global CMain $APPLICATION
	 * @global CUserTypeManager $USER_FIELD_MANAGER
	 */
	global $DB, $APPLICATION, $USER_FIELD_MANAGER;

	$this->LAST_ERROR = '';

	$bInternal = true;
	if (is_set($arFields, "EXTERNAL_AUTH_ID"))
	{
		if (trim($arFields["EXTERNAL_AUTH_ID"]) != '')
		{
			$bInternal = false;
		}
	}
	else
	{
		if ($ID > 0)
		{
			$dbr = $DB->Query("SELECT EXTERNAL_AUTH_ID FROM b_user WHERE ID=" . intval($ID));
			if (($ar = $dbr->Fetch()))
			{
				if ($ar['EXTERNAL_AUTH_ID'] != '')
				{
					$bInternal = false;
				}
			}
		}
	}

	if ($bInternal)
	{
		$this->LAST_ERROR .= static::CheckInternalFields($arFields, $ID);
	}
	else
	{
		if (is_set($arFields, "EMAIL"))
		{
			if ($arFields["EMAIL"] != '' && !check_email($arFields["EMAIL"], true))
			{
				$this->LAST_ERROR .= GetMessage("WRONG_EMAIL") . "
";
			}
		}
	}

	if (
		is_set($arFields, "PERSONAL_PHOTO")
		&& (!isset($arFields["PERSONAL_PHOTO"]["name"]) || $arFields["PERSONAL_PHOTO"]["name"] == '')
		&& (!isset($arFields["PERSONAL_PHOTO"]["del"]) || $arFields["PERSONAL_PHOTO"]["del"] == '')
	)
	{
		unset($arFields["PERSONAL_PHOTO"]);
	}

	$maxWidth = (int)Option::get('main', 'profile_image_width', 0);
	$maxHeight = (int)Option::get('main', 'profile_image_height', 0);
	$maxSize = (int)Option::get('main', 'profile_image_size', 0);

	if (is_set($arFields, "PERSONAL_PHOTO"))
	{
		$res = CFile::CheckImageFile($arFields["PERSONAL_PHOTO"], $maxSize, $maxWidth, $maxHeight);
		if ($res != '')
		{
			$this->LAST_ERROR .= $res . "
";
		}
	}

	if (is_set($arFields, "PERSONAL_BIRTHDAY") && $arFields["PERSONAL_BIRTHDAY"] != '' && !CheckDateTime($arFields["PERSONAL_BIRTHDAY"]))
	{
		$this->LAST_ERROR .= GetMessage("WRONG_PERSONAL_BIRTHDAY") . "
";
	}

	if (
		is_set($arFields, "WORK_LOGO")
		&& (!isset($arFields["WORK_LOGO"]["name"]) || $arFields["WORK_LOGO"]["name"] == '')
		&& (!isset($arFields["WORK_LOGO"]["del"]) || $arFields["WORK_LOGO"]["del"] == '')
	)
	{
		unset($arFields["WORK_LOGO"]);
	}

	if (is_set($arFields, "WORK_LOGO"))
	{
		$res = CFile::CheckImageFile($arFields["WORK_LOGO"], $maxSize, $maxWidth, $maxHeight);
		if ($res != '')
		{
			$this->LAST_ERROR .= $res . "
";
		}
	}

	if (is_set($arFields, 'LOGIN'))
	{
		$res = $DB->Query(
			"SELECT 'x' FROM b_user "
			. "WHERE LOGIN = '{$DB->ForSql($arFields["LOGIN"], 50)}' "
			. ($ID === false ? '' : ' AND ID <> ' . (int)$ID)
			. (
			!$bInternal
				? " AND EXTERNAL_AUTH_ID = '{$DB->ForSql($arFields["EXTERNAL_AUTH_ID"])}' "
				: " AND (EXTERNAL_AUTH_ID IS NULL OR {$DB->Length("EXTERNAL_AUTH_ID")} <= 0)"
			)
		);

		if ($res->Fetch())
		{
			$this->LAST_ERROR .= str_replace('#LOGIN#', htmlspecialcharsbx($arFields['LOGIN']), GetMessage('USER_EXIST')) . '
';
		}
	}

	if (is_object($APPLICATION))
	{
		$APPLICATION->ResetException();

		if ($ID === false)
		{
			$events = GetModuleEvents('main', 'OnBeforeUserAdd', true);
		}
		else
		{
			$arFields["ID"] = $ID;
			$events = GetModuleEvents('main', 'OnBeforeUserUpdate', true);
		}

		foreach ($events as $arEvent)
		{
			$bEventRes = ExecuteModuleEventEx($arEvent, [&$arFields]);
			if ($bEventRes === false)
			{
				if ($err = $APPLICATION->GetException())
				{
					$this->LAST_ERROR .= $err->GetString() . ' ';
				}
				else
				{
					$APPLICATION->ThrowException("Unknown error");
					$this->LAST_ERROR .= "Unknown error. ";
				}
				break;
			}
		}
	}

	if (is_object($APPLICATION))
	{
		$APPLICATION->ResetException();
	}
	if (!$USER_FIELD_MANAGER->CheckFields("USER", $ID, $arFields))
	{
		if (is_object($APPLICATION) && $APPLICATION->GetException())
		{
			$e = $APPLICATION->GetException();
			$this->LAST_ERROR .= $e->GetString();
			$APPLICATION->ResetException();
		}
		else
		{
			$this->LAST_ERROR .= "Unknown error. ";
		}
	}

	if ($this->LAST_ERROR != '')
	{
		return false;
	}

	return true;
}