CBPAllTaskService::ParseFields: Bitrix method

      
<?php 
//  CBPAllTaskService :: ParseFields()
//  /dist/bitrix/modules/bizproc/classes/general/taskservice.php:367

    protected static function ParseFields(&$arFields, $id = 0)
    {
        global $DB;

        $id = intval($id);
        $updateMode = ($id > 0 ? true : false);
        $addMode = !$updateMode;

        if ($addMode && !is_set($arFields, "USERS"))
            throw new Exception("USERS");

        if (is_set($arFields, "USERS"))
        {
            $arUsers = $arFields["USERS"];
            if (!is_array($arUsers))
                $arUsers = array($arUsers);

            $arFields["USERS"] = array();
            foreach ($arUsers as $userId)
            {
                $userId = intval($userId);
                if ($userId > 0 && !in_array($userId, $arFields["USERS"]))
                    $arFields["USERS"][] = $userId;
            }

            if (count($arFields["USERS"]) <= 0)
                throw new Exception(GetMessage("BPTS_AI_AR_USERS"));
        }

        if (is_set($arFields, "WORKFLOW_ID") || $addMode)
        {
            $arFields["WORKFLOW_ID"] = trim($arFields["WORKFLOW_ID"]);
            if (strlen($arFields["WORKFLOW_ID"]) <= 0)
                throw new Exception("WORKFLOW_ID");
        }

        if (is_set($arFields, "ACTIVITY") || $addMode)
        {
            $arFields["ACTIVITY"] = trim($arFields["ACTIVITY"]);
            if (strlen($arFields["ACTIVITY"]) <= 0)
                throw new Exception("ACTIVITY");
        }

        if (is_set($arFields, "ACTIVITY_NAME") || $addMode)
        {
            $arFields["ACTIVITY_NAME"] = trim($arFields["ACTIVITY_NAME"]);
            if (strlen($arFields["ACTIVITY_NAME"]) <= 0)
                throw new Exception("ACTIVITY_NAME");
        }

        if (is_set($arFields, "NAME") || $addMode)
        {
            $arFields["NAME"] = trim($arFields["NAME"]);
            if (strlen($arFields["NAME"]) <= 0)
                throw new Exception("NAME");

            $arFields["NAME"] = htmlspecialcharsback($arFields["NAME"]);
        }

        if (is_set($arFields, "DESCRIPTION"))
            $arFields["DESCRIPTION"] = htmlspecialcharsback($arFields["DESCRIPTION"]);

        if (is_set($arFields, "PARAMETERS"))
        {
            if ($arFields["PARAMETERS"] == null)
            {
                $arFields["PARAMETERS"] = false;
            }
            else
            {
                $arParameters = $arFields["PARAMETERS"];
                if (!is_array($arParameters))
                    $arParameters = array($arParameters);
                if (count($arParameters) > 0)
                    $arFields["PARAMETERS"] = serialize($arParameters);
            }
        }

        if (is_set($arFields, "OVERDUE_DATE"))
        {
            if ($arFields["OVERDUE_DATE"] == null)
                $arFields["OVERDUE_DATE"] = false;
            elseif (!$DB->IsDate($arFields["OVERDUE_DATE"], false, LANG, "FULL"))
                throw new Exception("OVERDUE_DATE");
        }
    }