Move 5 lines from reset_userdata to assignment_reset_userdata after its main loop is finished and will look like this (moodle 2.1.4): function assignment_reset_userdata($data) { global $CFG; $status = array(); foreach (get_plugin_list('assignment') as $type=>$dir) { require_once("$dir/assignment.class.php"); $assignmentclass = "assignment_$type"; $ass = new $assignmentclass(); $status = array_merge($status, $ass->reset_userdata($data)); } /// moved code start /// updating dates - shift may be negative too if ($data->timeshift) { shift_course_mod_dates('assignment', array('timedue', 'timeavailable'), $data->timeshift, $data->courseid); $status[] = array('component'=>$componentstr, 'item'=>get_string('datechanged').': '.$typestr, 'error'=>false); } /// moved code end return $status; }

Create a course starting on 1/jan/2014 Add one online assignment, one offline assignment, and three new assignment (assign) with "Allow submission from" 2/jan/2014 Reset course with course start date as 2/jan/2014 Make sure all all assignments have proper start date 3/jan/2014 Rerun above test with assignment starting on 5/jan/2014 and reset course with course starting 10/jan/2014 and make sure dates for assignment is 13/jan/2014