|
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
|
* @package twig
|
|
22
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
23
|
*/
|
|
24
|
class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test
|
|
25
|
{
|
|
26
|
public function compile(Twig_Compiler $compiler)
|
|
27
|
{
|
|
28
|
$compiler
|
|
29
|
->raw('(')
|
|
30
|
->subcompile($this->getNode('node'))
|
|
31
|
->raw(' === constant(')
|
|
32
|
->subcompile($this->getNode('arguments')->getNode(0))
|
|
33
|
->raw('))')
|
|
34
|
;
|
|
35
|
}
|
|
36
|
}
|