vendor/twig/twig/lib/Twig/Node/Print.php

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<?php

/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 * (c) Armin Ronacher
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Represents a node that outputs an expression.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Twig_Node_Print extends Twig_Node implements Twig_NodeOutputInterface
{
    public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)
    {
        parent::__construct(array('expr' => $expr), array(), $lineno, $tag);
    }

    public function compile(Twig_Compiler $compiler)
    {
        $compiler
            ->addDebugInfo($this)
            ->write('echo ')
            ->subcompile($this->getNode('expr'))
            ->raw(";\n")
        ;
    }
}