Edit File: AbstractExtension.php
<?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Twig\Extension; abstract class AbstractExtension implements ExtensionInterface { public function getTokenParsers() { return []; } public function getNodeVisitors() { return []; } public function getFilters() { return []; } public function getTests() { return []; } public function getFunctions() { return []; } public function getOperators() { return []; } } class_alias('Twig\Extension\AbstractExtension', 'Twig_Extension');