<?php
dl('php_gtk.' . (strstr(PHP_OS, 'WIN') ? 'dll' : 'so'));

// Creates a tree representing a directory.
function &createTreeFromDirectory($dir)
{
    // Create a new tree
    $tree =& new GtkTree;

    // Make sure dir is a directory
    if (is_dir($dir)) {
        // Open directory and read in file names
        $dir_handle = opendir($dir);
        while (($file = readdir($dir_handle)) !== false) {
            // Create a new tree item for each file
            $treeItem = &new GtkTreeItem($file);
            $treeItem->show();
            // Add the tree item to the tree
            $tree->append($treeItem);
            // If the file is a directory and not . or .. call
            // this function recursively
            if (is_dir($dir . '/' . $file) && strpos($file, '.') !== 0) {
                $treeItem->set_subtree(createTreeFromDirectory($dir . '/' . $file));
            }
        }
        // Close the directory
        closedir($dir_handle);
    }
    // Return the tree
    return $tree;
}
// The directory to display
$directory = '/path/to/some/directory';

// Create a window to display the file structure
$window =& new GtkWindow;

// Add a frame
$frame =& new GtkFrame($directory);
$window->add($frame);

// Add the tree
$tree = createTreeFromDirectory($directory);
$frame->add($tree);

$window->show_all();
gtk::main();
?>