--- /dev/null
+<?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.
+ */
+abstract class Twig_Extension implements Twig_ExtensionInterface
+{
+ /**
+ * @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_InitRuntimeInterface instead
+ */
+ public function initRuntime(Twig_Environment $environment)
+ {
+ }
+
+ public function getTokenParsers()
+ {
+ return array();
+ }
+
+ public function getNodeVisitors()
+ {
+ return array();
+ }
+
+ public function getFilters()
+ {
+ return array();
+ }
+
+ public function getTests()
+ {
+ return array();
+ }
+
+ public function getFunctions()
+ {
+ return array();
+ }
+
+ public function getOperators()
+ {
+ return array();
+ }
+
+ /**
+ * @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_GlobalsInterface instead
+ */
+ public function getGlobals()
+ {
+ return array();
+ }
+
+ /**
+ * @deprecated since 1.26 (to be removed in 2.0), not used anymore internally
+ */
+ public function getName()
+ {
+ return get_class($this);
+ }
+}