From 086708003a8bbe490de29cae48a3b2ca9f590021 Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Thu, 26 Aug 2010 10:56:46 +0200
Subject: [PATCH] [HttpFoundation] added a keys() method to *Bag classes

---
 src/Symfony/Component/HttpFoundation/HeaderBag.php    | 10 ++++++++++
 src/Symfony/Component/HttpFoundation/ParameterBag.php | 10 ++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/Symfony/Component/HttpFoundation/HeaderBag.php b/src/Symfony/Component/HttpFoundation/HeaderBag.php
index 1da8b46024..c0f60abb7a 100644
--- a/src/Symfony/Component/HttpFoundation/HeaderBag.php
+++ b/src/Symfony/Component/HttpFoundation/HeaderBag.php
@@ -48,6 +48,16 @@ class HeaderBag
         return $this->headers;
     }
 
+    /**
+     * Returns the parameter keys.
+     *
+     * @return array An array of parameter keys
+     */
+    public function keys()
+    {
+        return array_keys($this->headers);
+    }
+
     /**
      * Replaces the current HTTP headers by a new set.
      *
diff --git a/src/Symfony/Component/HttpFoundation/ParameterBag.php b/src/Symfony/Component/HttpFoundation/ParameterBag.php
index 0da6e90145..1e7e5cd96e 100644
--- a/src/Symfony/Component/HttpFoundation/ParameterBag.php
+++ b/src/Symfony/Component/HttpFoundation/ParameterBag.php
@@ -40,6 +40,16 @@ class ParameterBag
         return $this->parameters;
     }
 
+    /**
+     * Returns the parameter keys.
+     *
+     * @return array An array of parameter keys
+     */
+    public function keys()
+    {
+        return array_keys($this->parameters);
+    }
+
     /**
      * Replaces the current parameters by a new set.
      *