Update Twig. This closes #295

inc/lib/Twig/Node/Expression/ExtensionReference.php

@@ -3,16 +3,20 @@
 /*
  * 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.
  */
 
+@trigger_error('The Twig_Node_Expression_ExtensionReference class is deprecated since version 1.23 and will be removed in 2.0.', E_USER_DEPRECATED);
+
 /**
  * Represents an extension call node.
  *
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated since 1.23 and will be removed in 2.0.
  */
 class Twig_Node_Expression_ExtensionReference extends Twig_Node_Expression
 {
@@ -21,11 +25,6 @@ class Twig_Node_Expression_ExtensionReference extends Twig_Node_Expression
         parent::__construct(array(), array('name' => $name), $lineno, $tag);
     }
 
-    /**
-     * Compiles the node to PHP.
-     *
-     * @param Twig_Compiler A Twig_Compiler instance
-     */
     public function compile(Twig_Compiler $compiler)
     {
         $compiler->raw(sprintf("\$this->env->getExtension('%s')", $this->getAttribute('name')));