47 lines
1.1 KiB
PHP
47 lines
1.1 KiB
PHP
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<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2011 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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* Checks if a variable is the exact same value as a constant.
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*
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* <pre>
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* {% if post.status is constant('Post::PUBLISHED') %}
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* the status attribute is exactly the same as Post::PUBLISHED
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* {% endif %}
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* </pre>
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test
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{
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public function compile(Twig_Compiler $compiler)
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{
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$compiler
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->raw('(')
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->subcompile($this->getNode('node'))
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->raw(' === constant(')
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;
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if ($this->getNode('arguments')->hasNode(1)) {
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$compiler
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->raw('get_class(')
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->subcompile($this->getNode('arguments')->getNode(1))
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->raw(')."::".')
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;
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}
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$compiler
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->subcompile($this->getNode('arguments')->getNode(0))
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->raw('))')
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;
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}
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}
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