Constant.php

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<?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.
 */

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(')
        ;

        if ($this->getNode('arguments')->hasNode(1)) {
            $compiler
                ->raw('get_class(')
                ->subcompile($this->getNode('arguments')->getNode(1))
                ->raw(')."::".')
            ;
        }

        $compiler
            ->subcompile($this->getNode('arguments')->getNode(0))
            ->raw('))')
        ;
    }
}