Improve empty fields in the same form

explorer/export.php

@@ -47,7 +47,9 @@
                 $prepared[] = date("H:i:s d/m/Y", $form->$field);
                 continue;
             }
-            $prepared[] = $form->$field;
+
+            if (isset($form->$field)) $prepared[] = $form->$field;
+            else $prepared[] = '';
             
         }
         fputcsv($output, $prepared);

explorer/index.php

@@ -152,7 +152,8 @@
                     print date("H:i:s d/m/Y", $form->$field).'</td>';
                     continue;
                 }
-                print $form->$field.'</td>';
+                if (isset($form->$field)) print $form->$field.'</td>';
+                else print '</td>';
             
             }
             print '</tr>';