Index: content_plugin_style_php_array_ac.inc
===================================================================
--- content_plugin_style_php_array_ac.inc	(revision 128)
+++ content_plugin_style_php_array_ac.inc	(working copy)
@@ -18,12 +18,13 @@
 
     // TODO : We don't display grouping info for now.
     // Could be useful for select widget, though.
-    $this->view->row_index = 0;
     foreach ($sets as $title => $records) {
       foreach ($records as $label => $row) {
+      	$this->view->row_index = $label;
         $results[$row->{$base_field}] = array(
           'title' => $row->{$title_field_alias},
           'rendered' => $this->row_plugin->render($row),
+          'group' => $title
         );
         $this->view->row_index++;
       }