From b5f074207dbf5e32e5c2a6df888aac2f5d4d77dc Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Sat, 11 Oct 2014 22:38:36 +0200
Subject: [PATCH] fixed macros when using an argument named like a PHP super globa

---
 CHANGELOG                          |    1 +
 lib/Twig/Node/Macro.php            |    4 ++--
 test/Twig/Tests/Node/MacroTest.php |    6 +++---
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 713598b..9d136c1 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,6 @@
 * 1.16.2 (2014-XX-XX)
 
+ * fixed macros when using an argument named like a PHP super global (like GET or POST)
  * fixed date_modify when working with DateTimeImmutable
  * optimized for loops
  * fixed multi-byte characters handling in the split filter
diff --git a/lib/Twig/Node/Macro.php b/lib/Twig/Node/Macro.php
index 47c2915..ab7e8d2 100644
--- a/lib/Twig/Node/Macro.php
+++ b/lib/Twig/Node/Macro.php
@@ -37,7 +37,7 @@ class Twig_Node_Macro extends Twig_Node
         $pos = 0;
         foreach ($this->getNode('arguments') as $name => $default) {
             $compiler
-                ->raw('$_'.$name.' = ')
+                ->raw('$__'.$name.'__ = ')
                 ->subcompile($default)
             ;
 
@@ -64,7 +64,7 @@ class Twig_Node_Macro extends Twig_Node
                 $compiler
                     ->write('')
                     ->string($name)
-                    ->raw(' => $_'.$name)
+                    ->raw(' => $__'.$name.'__')
                     ->raw(",\n")
                 ;
             }
diff --git a/test/Twig/Tests/Node/MacroTest.php b/test/Twig/Tests/Node/MacroTest.php
index 4d2f641..2a77ac7 100644
--- a/test/Twig/Tests/Node/MacroTest.php
+++ b/test/Twig/Tests/Node/MacroTest.php
@@ -46,11 +46,11 @@ class Twig_Tests_Node_MacroTest extends Twig_Test_NodeTestCase
         return array(
             array($node, <<<EOF
 // line 1
-public function getfoo(\$_foo = null, \$_bar = "Foo")
+public function getfoo(\$__foo__ = null, \$__bar__ = "Foo")
 {
     \$context = \$this->env->mergeGlobals(array(
-        "foo" => \$_foo,
-        "bar" => \$_bar,
+        "foo" => \$__foo__,
+        "bar" => \$__bar__,
     ));
 
     \$blocks = array();
-- 
1.7.2.5