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v5.1.7 - Show latest stable - 0 notes - Class: Parameters

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What's this?

[](key) public

Returns a parameter for the given key. If not found, returns nil.

params = ActionController::Parameters.new(person: { name: "Francesco" })
params[:person] # => <ActionController::Parameters {"name"=>"Francesco"} permitted: false>
params[:none]   # => nil

Show source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 545
    def [](key)
      convert_hashes_to_parameters(key, @parameters[key])
    end

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