public static function maybe_prepopulate_form($form)
{
$config = GFUserData::get_update_feed($form['id']);
// if no feed, return form unmodified
if (!$config) {
return $form;
} else {
// if the user is not logged in, add action to hide form and display error message
if (!is_user_logged_in()) {
add_action('gform_get_form_filter_' . $form['id'], array('GFUser', 'hide_form'));
return $form;
} else {
// prepopulate the form
$form = GFUser::prepopulate_form($form, $config);
}
}
return $form;
}
