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ConstantTest.php
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<?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 Twig\Node\Expression\Test; use Twig\Compiler; use Twig\Node\Expression\TestExpression; /** * Checks if a variable is the exact same value as a constant. * * {% if post.status is constant('Post::PUBLISHED') %} * the status attribute is exactly the same as Post::PUBLISHED * {% endif %} * * @author Fabien Potencier <fabien@symfony.com> */ class ConstantTest extends TestExpression { public function compile(Compiler $compiler): void { $compiler ->raw('(') ->subcompile($this->getNode('node')) ->raw(' === constant(') ; if ($this->getNode('arguments')->hasNode(1)) { $compiler ->raw('get_class(') ->subcompile($this->getNode('arguments')->getNode(1)) ->raw(')."::".') ; } $compiler ->subcompile($this->getNode('arguments')->getNode(0)) ->raw('))') ; } }