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-rw-r--r--inc/Twig/Node/Expression/Test/Constant.php46
1 files changed, 46 insertions, 0 deletions
diff --git a/inc/Twig/Node/Expression/Test/Constant.php b/inc/Twig/Node/Expression/Test/Constant.php
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1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2011 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/**
13 * Checks if a variable is the exact same value as a constant.
14 *
15 * <pre>
16 * {% if post.status is constant('Post::PUBLISHED') %}
17 * the status attribute is exactly the same as Post::PUBLISHED
18 * {% endif %}
19 * </pre>
20 *
21 * @author Fabien Potencier <fabien@symfony.com>
22 */
23class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test
24{
25 public function compile(Twig_Compiler $compiler)
26 {
27 $compiler
28 ->raw('(')
29 ->subcompile($this->getNode('node'))
30 ->raw(' === constant(')
31 ;
32
33 if ($this->getNode('arguments')->hasNode(1)) {
34 $compiler
35 ->raw('get_class(')
36 ->subcompile($this->getNode('arguments')->getNode(1))
37 ->raw(')."::".')
38 ;
39 }
40
41 $compiler
42 ->subcompile($this->getNode('arguments')->getNode(0))
43 ->raw('))')
44 ;
45 }
46}