# File lib/action_controller/request.rb, line 20
    def request_method
      @request_method ||= begin
        method = ((@env['REQUEST_METHOD'] == 'POST' && !parameters[:_method].blank?) ? parameters[:_method].to_s : @env['REQUEST_METHOD']).downcase
        if ACCEPTED_HTTP_METHODS.include?(method)
          method.to_sym
        else
          raise UnknownHttpMethod, "#{method}, accepted HTTP methods are #{ACCEPTED_HTTP_METHODS.to_a.to_sentence}"
        end
      end
    end