Дата создания\изменения элемента в БП

   private function GetRealParameterValue($objectName, $fieldName, &$result)
   {
...
      elseif ($objectName == "System")
      {
         global $DB;

         $result = null;
         if ($fieldName == "Now")
            $result = date($DB->DateFormatToPHP(CSite::GetDateFormat("FULL")));
         elseif ($fieldName == "Date")
            $result = date($DB->DateFormatToPHP(CSite::GetDateFormat("SHORT")));
         if ($result !== null)
            $return = true;
      }
...
 

   public static function MakeArrayFlat($ar)
   {
...

      if (!CBPHelper::IsAssociativeArray($ar) && (count($ar) == 2) && in_array($ar[0], array("Variable", "Document", "Template", "Workflow", "User", "System")) && is_string($ar[1]))
...

   public static function ConvertParameterValues($val)
   {
      $result = $val;

      if (is_string($val) && preg_match("/^\{=([A-Za-z0-9_]+)\:([A-Za-z0-9_]+)\}$/i", $val, $arMatches))
      {
         $result = null;
         if ($arMatches[1] == "User")
         {
            if ($GLOBALS["USER"]->IsAuthorized())
               $result = "user_".$GLOBALS["USER"]->GetID();
         }
         elseif ($arMatches[1] == "System")
         {
            if ($arMatches[2] == "Now")
               $result = date($GLOBALS["DB"]->DateFormatToPHP(CSite::GetDateFormat("FULL")));
            elseif ($arMatches[2] == "Date")
               $result = date($GLOBALS["DB"]->DateFormatToPHP(CSite::GetDateFormat("SHORT")));
         }
      }

      return $result;
   }