Tree/docs/tutorial_example_text_tree.php

<?php
require_once 'tutorial_autoload.php';

$store = new ezcTreeXmlInternalDataStore();
$tree = new ezcTreeXml( 'files/example1.xml', $store );

$visitor = new ezcTreeVisitorPlainText( ezcTreeVisitorPlainText::SYMBOL_UTF8 );
$tree->accept( $visitor );
echo (string) $visitor; // print the plot
?>