function perform()
 {
     // Get the resources we need to do this update
     $db = $_REQUEST['db'];
     $userFinder = new UserFinder($db);
     $questionFinder = new QuestionFinder($db);
     $questionId = gpwd('questionId', 0) + 0;
     //Test for DELETE
     $delete = gpwd('deleteButton', '');
     $save = gpwd('saveButton', '');
     if ($save == "Save Question / Answer") {
         $delete = 0;
     } else {
         if ($delete == "Delete") {
             $delete = 1;
         }
     }
     // Grok all the relevant data from the form
     $qHash = array();
     $qHash['location_id'] = gpwd('location', null);
     $qHash['question_type_id'] = gpwd('questionType', null);
     $qHash['question_type_other'] = gpwd('questionTypeOther');
     $qHash['time_spent_id'] = gpwd('timeSpent', null);
     $qHash['patron_type_id'] = gpwd('patronType', null);
     $qHash['question_format_id'] = gpwd('questionFormat', null);
     $qHash['initials'] = gpwd('initials');
     $qHash['question'] = gpwd('question');
     $qHash['answer'] = gpwd('answer');
     $qHash['question'] = trim($qHash['question']);
     $qHash['answer'] = trim($qHash['answer']);
     $qHash['hide'] = 0;
     $qHash['delete_hide'] = $delete;
     if ($qHash['question'] == '' && $qHash['answer'] == '') {
         $qHash['hide'] = 1;
     }
     // Do the date -- if we can't parse it, don't change it!
     $qTime = trim(gpwd('questionDate', ''));
     if ($qTime != '') {
         $stamp = strtotime($qTime);
         if ($stamp != -1) {
             $qHash['question_date'] = date('Y-m-d H:i:s', $stamp);
         }
     }
     // Clean up qHash; make numbers really numeric. The dirty little
     // trick: add 0 to non-null values names .*_id
     foreach ($qHash as $key => $val) {
         if (strpos($key, '_id')) {
             if ($val != null) {
                 $qHash[$key] = $val + 0;
             }
         }
     }
     $res = $questionFinder->editQuestion($questionId, $qHash);
     if (!DB::isError($res)) {
         // Use a Location: header to fly back, to avoid people refreshing
         // and posting twice -- a common problem.
         $url = "http://{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}";
         $url = substr($url, 0, -strrchr($url, '/')) . $_REQUEST['origin'];
         header("Location: {$url}");
         exit;
     } else {
         echo "<pre>";
         var_dump($res);
         echo "</pre>";
     }
 }