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-rw-r--r--actionpack/lib/action_view/helpers/form_helper.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index a85751c657..094eea1808 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -390,6 +390,14 @@ module ActionView
#
# hidden_field(:user, :token)
# # => <input type="hidden" id="user_token" name="user[token]" value="#{@user.token}" />
+ #
+ # If you have a form object f that is using an object @client:
+ # <%= f.hidden_field :user_id, :value => current_user.id %>
+ # # => <input id="client_user_id" name="client[user_id]" type="hidden" value="12345" />
+ #
+ # This passes a hidden variable user_id with the value of current_user.id, it can be accessed in the controller as:
+ # params[:client][:user_id]
+
def hidden_field(object_name, method, options = {})
InstanceTag.new(object_name, method, self, options.delete(:object)).to_input_field_tag("hidden", options)
end