serializable_hash

# File activemodel/lib/active_model/serialization.rb, line 69
    def serializable_hash(options = nil)
      options ||= {}

      only   = Array.wrap(options[:only]).map(&:to_s)
      except = Array.wrap(options[:except]).map(&:to_s)

      attribute_names = attributes.keys.sort
      if only.any?
        attribute_names &= only
      elsif except.any?
        attribute_names -= except
      end

      method_names = Array.wrap(options[:methods]).inject([]) do |methods, name|
        methods << name if respond_to?(name.to_s)
        methods
      end

      (attribute_names + method_names).inject({}) { |hash, name|
        hash[name] = send(name)
        hash
      }
    end