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32 lines
618 B
PHP
32 lines
618 B
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 that a variable is null.
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*
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* <pre>
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* {{ var is none }}
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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_Null 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('(null === ')
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->subcompile($this->getNode('node'))
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->raw(')')
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;
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}
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}
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