Matthias Andreas Benkard | 12a5735 | 2021-12-28 18:02:04 +0100 | [diff] [blame^] | 1 | <?php |
| 2 | |
| 3 | /* |
| 4 | * This file is part of Twig. |
| 5 | * |
| 6 | * (c) Fabien Potencier |
| 7 | * |
| 8 | * For the full copyright and license information, please view the LICENSE |
| 9 | * file that was distributed with this source code. |
| 10 | */ |
| 11 | |
| 12 | namespace Twig\Node\Expression\Test; |
| 13 | |
| 14 | use Twig\Compiler; |
| 15 | use Twig\Node\Expression\TestExpression; |
| 16 | |
| 17 | /** |
| 18 | * Checks that a variable is null. |
| 19 | * |
| 20 | * {{ var is none }} |
| 21 | * |
| 22 | * @author Fabien Potencier <fabien@symfony.com> |
| 23 | */ |
| 24 | class NullTest extends TestExpression |
| 25 | { |
| 26 | public function compile(Compiler $compiler): void |
| 27 | { |
| 28 | $compiler |
| 29 | ->raw('(null === ') |
| 30 | ->subcompile($this->getNode('node')) |
| 31 | ->raw(')') |
| 32 | ; |
| 33 | } |
| 34 | } |