<?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace ElementorDeps\Twig\Node\Expression\Test; use ElementorDeps\Twig\Compiler; use ElementorDeps\Twig\Node\Expression\TestExpression; /** * Checks that a variable is null. * * {{ var is none }} * * @author Fabien Potencier <fabien@symfony.com> */ class NullTest extends TestExpression { public function compile(Compiler $compiler) : void { $compiler->raw('(null === ')->subcompile($this->getNode('node'))->raw(')'); } }