Re: How to get the 'rownumber' from assign tables

I have adapted the get_grading_userid_list() function from /mod/assign/locallib.php to retrieve the rownum:

function get_rownum($mod_instance,$userid){
      global $COURSE;
      $cm = get_coursemodule_from_instance('assign',$mod_instance,false,MUST_EXIST);
      $mod_context = context_module::instance($cm->id);
      $assign = new assign($mod_context,$cm,$COURSE);
      $filter = get_user_preferences('assign_filter', '');
      $table = new assign_grading_table($assign, 0, $filter, 0, false);
      $useridlist = $table->get_column_data('userid');
      $rownum = array_search($userid, $useridlist);

      return $rownum;
}

You will just need to require both /mod/assign/locallib.php and /mod/assign/gradingtable.php