instance method `to_h`

Ruby on Rails 6.0.6

Since v4.2.9

Available in: v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

to_h()

Returns a safe ActiveSupport::HashWithIndifferentAccess representation of the parameters with all unpermitted keys removed.

params = ActionController::Parameters.new({
  name: "Senjougahara Hitagi",
  oddity: "Heavy stone crab"
})
params.to_h
# => ActionController::UnfilteredParameters: unable to convert unpermitted parameters to hash

safe_params = params.permit(:name)
safe_params.to_h # => {"name"=>"Senjougahara Hitagi"}

Source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 269
    def to_h
      if permitted?
        convert_parameters_to_hashes(@parameters, :to_h)
      else
        raise UnfilteredParameters
      end
    end

Defined in actionpack/lib/action_controller/metal/strong_parameters.rb line 269 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionController::Parameters

Signature