function total_task_times_vs_estimate_comparison($report_data = null, $task = null)
 {
     $this->setTemplate('report_wrapper');
     if (!$report_data) {
         $report_data = array_var($_POST, 'report');
     }
     $workspace = Projects::findById(array_var($report_data, 'project_id'));
     if ($workspace instanceof Project) {
         if (array_var($report_data, 'include_subworkspaces')) {
             $workspacesCSV = $workspace->getAllSubWorkspacesQuery(false);
         } else {
             $workspacesCSV = $workspace->getId();
         }
     } else {
         $workspacesCSV = null;
     }
     $start = getDateValue(array_var($report_data, 'start_value'));
     $end = getDateValue(array_var($report_data, 'end_value'));
     $st = $start->beginningOfDay();
     $et = $end->endOfDay();
     $st = new DateTimeValue($st->getTimestamp() - logged_user()->getTimezone() * 3600);
     $et = new DateTimeValue($et->getTimestamp() - logged_user()->getTimezone() * 3600);
     $timeslots = Timeslots::getTimeslotsByUserWorkspacesAndDate($st, $et, 'ProjectTasks', null, $workspacesCSV, array_var($report_data, 'task_id', 0));
     tpl_assign('timeslots', $timeslots);
     tpl_assign('workspace', $workspace);
     tpl_assign('start_time', $st);
     tpl_assign('end_time', $et);
     tpl_assign('user', $user);
     tpl_assign('post', $report_data);
     tpl_assign('template_name', 'total_task_times');
     tpl_assign('title', lang('task time report'));
 }