There's no documentation for this item.

Source Code

# File action_controller/filters.rb, line 541
def find_filter_prepend_position(filters, filter_type)
  # prepending a before or around filter puts it at the front of the call chain
  # after filters go before the first after filter in the chain
  if filter_type == :after
    filter_chain.each_with_index do |f,i|
      return i if f.after?
    end
    return -1
  end
  return 0
end