Twig update to latest Twig 1.x legacy as per vichan

inc/lib/Twig/ExtensionInterface.php

@@ -3,7 +3,7 @@
 /*
  * This file is part of Twig.
  *
- * (c) 2009 Fabien Potencier
+ * (c) Fabien Potencier
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -21,49 +21,49 @@ interface Twig_ExtensionInterface
      *
      * This is where you can load some file that contains filter functions for instance.
      *
-     * @param Twig_Environment $environment The current Twig_Environment instance
+     * @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_InitRuntimeInterface instead
      */
     public function initRuntime(Twig_Environment $environment);
 
     /**
      * Returns the token parser instances to add to the existing list.
      *
-     * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
+     * @return Twig_TokenParserInterface[]
      */
     public function getTokenParsers();
 
     /**
      * Returns the node visitor instances to add to the existing list.
      *
-     * @return array An array of Twig_NodeVisitorInterface instances
+     * @return Twig_NodeVisitorInterface[]
      */
     public function getNodeVisitors();
 
     /**
      * Returns a list of filters to add to the existing list.
      *
-     * @return array An array of filters
+     * @return Twig_SimpleFilter[]
      */
     public function getFilters();
 
     /**
      * Returns a list of tests to add to the existing list.
      *
-     * @return array An array of tests
+     * @return Twig_SimpleTest[]
      */
     public function getTests();
 
     /**
      * Returns a list of functions to add to the existing list.
      *
-     * @return array An array of functions
+     * @return Twig_SimpleFunction[]
      */
     public function getFunctions();
 
     /**
      * Returns a list of operators to add to the existing list.
      *
-     * @return array An array of operators
+     * @return array<array> First array of unary operators, second array of binary operators
      */
     public function getOperators();
 
@@ -71,6 +71,8 @@ interface Twig_ExtensionInterface
      * Returns a list of global variables to add to the existing list.
      *
      * @return array An array of global variables
+     *
+     * @deprecated since 1.23 (to be removed in 2.0), implement Twig_Extension_GlobalsInterface instead
      */
     public function getGlobals();
 
@@ -78,6 +80,11 @@ interface Twig_ExtensionInterface
      * Returns the name of the extension.
      *
      * @return string The extension name
+     *
+     * @deprecated since 1.26 (to be removed in 2.0), not used anymore internally
      */
     public function getName();
 }
+
+class_alias('Twig_ExtensionInterface', 'Twig\Extension\ExtensionInterface', false);
+class_exists('Twig_Environment');