| <?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 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(')') |
| ; |
| } |
| } |