1 files changed, 11 insertions, 2 deletions
diff --git a/actionpack/lib/action_dispatch/request/utils.rb b/actionpack/lib/action_dispatch/request/utils.rb
index bb3df3c311..01bc871e5f 100644
--- a/actionpack/lib/action_dispatch/request/utils.rb
+++ b/actionpack/lib/action_dispatch/request/utils.rb
@@ -1,10 +1,20 @@
 module ActionDispatch
   class Request
     class Utils # :nodoc:
-
       mattr_accessor :perform_deep_munge
       self.perform_deep_munge = true
 
+      def self.each_param_value(params, &block)
+        case params
+        when Array
+          params.each { |element| each_param_value(element, &block) }
+        when Hash
+          params.each_value { |value| each_param_value(value, &block) }
+        when String
+          block.call params
+        end
+      end
+
       def self.normalize_encode_params(params)
         if perform_deep_munge
           NoNilParamEncoder.normalize_encode_params params
@@ -64,4 +74,3 @@ module ActionDispatch
     end
   end
 end
-