WB 2.08.x

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2012 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Twig_NodeVisitor_VariableAnalyzer references all variables used in a template.

 *

 * @package twig

 * @author  Fabien Potencier <fabien@symfony.com>

 */

class Twig_NodeVisitor_VariableAnalyzer implements Twig_NodeVisitorInterface

{

    /**

     * {@inheritdoc}

     */

    public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)

    {

        if ($node instanceof Twig_Node_Expression_Name) {

            print $node->getAttribute('name')."\n";

        }

        return $node;

    }

    /**

     * {@inheritdoc}

     */

    public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)

    {

        return $node;

    }

    /**

     * {@inheritdoc}

     */

    public function getPriority()

    {

        return 0;

    }

}