GtkTreeview and interactive search

Seems that interactive search doesn't work since I upgrade to new 
version. Can anybody give me an example ?

my example that doesn't work :
<?php
$window = new GtkWindow();
$window->set_size_request(400, 200);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());

$sc = new GtkScrolledWindow();
$vbox->add($sc);

$model = new GtkListStore(GObject::TYPE_LONG);
for($i=10; $i < 20; $i++){
  $model->append(array($i));
 }

$view = new GtkTreeView($model);
$view->append_column(new GtkTreeViewColumn( "", new 
GtkCellRendererText(), 'text', 0));
$sc->add($view);

//$view->set_enable_search(1);
$view->set_search_column(0);
$window->show_all();

Gtk::main();
?>

Thanks in advance,
Benjamin.