<?php
//new model with just one column of type string
$store = new GtkTreeStore(Gtk::TYPE_STRING);
 
//insert a new row without a parent (root row)
$root = $store->insert(0);
$store->set($root, 0, 'root');
 
//insert a new row as child of the previously created root row
$child1 = $store->insert(0, $root);
$store->set($child1, 0, 'child');
 
//insert another row, but at position 0 - that means
//before $child1
$child2 = $store->insert(0, $root, array('child2'));
 
//insert at position 1: before $child1,
//but after $child2
$child3 = $store->insert(1, $root, array('child3'));
 
 
//Display the store
$wnd  = new GtkWindow();
$view = new GtkTreeView($store);
$view->append_column(
    new GtkTreeViewColumn('String column', new GtkCellRendererText(), 'text', 0)
);
$wnd->add($view);
$wnd->connect_simple('destroy', array('gtk', 'main_quit'));
$wnd->show_all();
Gtk::main();
?>