32 lines
618 B
PHP
32 lines
618 B
PHP
|
<?php
|
||
|
|
||
|
/*
|
||
|
* This file is part of Twig.
|
||
|
*
|
||
|
* (c) 2011 Fabien Potencier
|
||
|
*
|
||
|
* For the full copyright and license information, please view the LICENSE
|
||
|
* file that was distributed with this source code.
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
* Checks that a variable is null.
|
||
|
*
|
||
|
* <pre>
|
||
|
* {{ var is none }}
|
||
|
* </pre>
|
||
|
*
|
||
|
* @author Fabien Potencier <fabien@symfony.com>
|
||
|
*/
|
||
|
class Twig_Node_Expression_Test_Null extends Twig_Node_Expression_Test
|
||
|
{
|
||
|
public function compile(Twig_Compiler $compiler)
|
||
|
{
|
||
|
$compiler
|
||
|
->raw('(null === ')
|
||
|
->subcompile($this->getNode('node'))
|
||
|
->raw(')')
|
||
|
;
|
||
|
}
|
||
|
}
|