$bean = new ActionForm('reportBean', $form, $request);
// At this point form values are obtained from session if they are there.
-if (($request->getMethod() == 'GET') && !$bean->isSaved()) {
+if ($request->isGet() && !$bean->isSaved()) {
// No previous form data were found in session. Use the following default values.
$form->setValueByElement('users', array_keys($user_list));
$period = new Period(INTERVAL_THIS_MONTH, new DateAndTime($user->date_format));