function _views_sort_types($a, $b) {
$a_group = drupal_strtolower($a['group']);
$b_group = drupal_strtolower($b['group']);
if ($a_group != $b_group) {
return $a_group < $b_group ? -1 : 1;
}
$a_title = drupal_strtolower($a['title']);
$b_title = drupal_strtolower($b['title']);
if ($a_title != $b_title) {
return $a_title < $b_title ? -1 : 1;
}
return 0;
}