35 lines
661 B
PHP
35 lines
661 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) 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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namespace Twig\Node\Expression\Test;
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use Twig\Compiler;
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use Twig\Node\Expression\TestExpression;
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/**
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* Checks that a variable is null.
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*
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* {{ var is none }}
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class NullTest extends TestExpression
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{
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public function compile(Compiler $compiler): void
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{
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$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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