Checks if a variable is the exact same value as a constant.
<pre> {% if post.status is constant('Post::PUBLISHED') %} the status attribute is exactly the same as Post::PUBLISHED {% endif %} </pre>
@author Fabien Potencier <fabien@symfony.com>
Expanded class hierarchy of Twig_Node_Expression_Test_Constant
class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test {
public function compile(Twig_Compiler $compiler) {
$compiler
->raw('(')
->subcompile($this
->getNode('node'))
->raw(' === constant(')
->subcompile($this
->getNode('arguments')
->getNode(0))
->raw('))');
}
}