48 lines
972 B
PHP
48 lines
972 B
PHP
<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2012 Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Twig_NodeVisitor_VariableAnalyzer references all variables used in a template.
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*
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* @package twig
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Twig_NodeVisitor_VariableAnalyzer implements Twig_NodeVisitorInterface
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{
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/**
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* {@inheritdoc}
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*/
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public function enterNode(Twig_NodeInterface $node, Twig_Environment $env)
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{
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if ($node instanceof Twig_Node_Expression_Name) {
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print $node->getAttribute('name')."\n";
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}
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return $node;
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}
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/**
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* {@inheritdoc}
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*/
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public function leaveNode(Twig_NodeInterface $node, Twig_Environment $env)
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{
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return $node;
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}
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/**
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* {@inheritdoc}
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*/
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public function getPriority()
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{
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return 0;
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}
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}
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