CommonITILTask::prepareInputForUpdate PHP Method

    function prepareInputForUpdate($input)
    {
        Toolbox::manageBeginAndEndPlanDates($input['plan']);
        if (isset($input['_planningrecall'])) {
            PlanningRecall::manageDatas($input['_planningrecall']);
        }
        // $input["actiontime"] = $input["hour"]*HOUR_TIMESTAMP+$input["minute"]*MINUTE_TIMESTAMP;
        if (isset($input['update']) && ($uid = Session::getLoginUserID())) {
            // Change from task form
            $input["users_id"] = $uid;
        }
        $itemtype = $this->getItilObjectItemType();
        $input["_job"] = new $itemtype();
        if (!$input["_job"]->getFromDB($input[$input["_job"]->getForeignKeyField()])) {
            return false;
        }
        if (isset($input["plan"])) {
            $input["begin"] = $input['plan']["begin"];
            $input["end"] = $input['plan']["end"];
            $timestart = strtotime($input["begin"]);
            $timeend = strtotime($input["end"]);
            $input["actiontime"] = $timeend - $timestart;
            unset($input["plan"]);
            if (!$this->test_valid_date($input)) {
                Session::addMessageAfterRedirect(__('Error in entering dates. The starting date is later than the ending date'), false, ERROR);
                return false;
            }
            Planning::checkAlreadyPlanned($input["users_id_tech"], $input["begin"], $input["end"], array($this->getType() => array($input["id"])));
            $calendars_id = Entity::getUsedConfig('calendars_id', $input["_job"]->fields['entities_id']);
            $calendar = new Calendar();
            // Using calendar
            if ($calendars_id > 0 && $calendar->getFromDB($calendars_id)) {
                if (!$calendar->isAWorkingHour(strtotime($input["begin"]))) {
                    Session::addMessageAfterRedirect(__('Start of the selected timeframe is not a working hour.'), false, ERROR);
                }
                if (!$calendar->isAWorkingHour(strtotime($input["end"]))) {
                    Session::addMessageAfterRedirect(__('End of the selected timeframe is not a working hour.'), false, ERROR);
                }
            }
        }
        return $input;
    }