method

to_h

v7.1.3.2 - Show latest stable - 0 notes - Class: Parameters

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What's this?

to_h(&block) public

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"}

Show source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 326
    def to_h(&block)
      if permitted?
        convert_parameters_to_hashes(@parameters, :to_h, &block)
      else
        raise UnfilteredParameters
      end
    end

to_h

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