CIBlockType::CheckFields

public function CheckFields($arFields, $ID = false)
{
	/** @global CDatabase $DB */
	global $DB;
	$this->LAST_ERROR = "";

	if ($ID === false)
	{
		if (!isset($arFields["ID"]) || $arFields["ID"] == '')
		{
			$this->LAST_ERROR .= GetMessage("IBLOCK_TYPE_BAD_ID")."
";
		}
		elseif (preg_match("/[^A-Za-z0-9_]/", $arFields["ID"]))
		{
			$this->LAST_ERROR .= GetMessage("IBLOCK_TYPE_ID_HAS_WRONG_CHARS")."
";
		}
		else
		{
			$chk = $DB->Query("SELECT 'x' FROM b_iblock_type WHERE ID='".$DB->ForSQL($arFields["ID"])."'");
			if ($chk->Fetch())
			{
				$this->LAST_ERROR .= GetMessage("IBLOCK_TYPE_DUBL_ID")."
";
				return false;
			}
		}
		if (empty($arFields["LANG"]) || !is_array($arFields["LANG"]))
		{
			$this->LAST_ERROR .= GetMessage("IBLOCK_TYPE_EMPTY_NAMES")."
";
			return false;
		}
	}

	if (is_set($arFields, "LANG") && is_array($arFields["LANG"]))
	{
		foreach ($arFields["LANG"] as $lid => $arFieldsLang)
		{
			if ($arFieldsLang["NAME"] == '')
			{
				$this->LAST_ERROR .= GetMessage("IBLOCK_TYPE_BAD_NAME")." ".$lid.".
";
			}
		}
	}

	if ($this->LAST_ERROR != "")
		return false;

	return true;
}