instance method `[]`

Ruby on Rails 6.0.6

Since v4.0.13

Available in: v4.0.13 v4.1.16 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:

[](key)

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

Parameters

key req

Source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 570
    def [](key)
      convert_hashes_to_parameters(key, @parameters[key])
    end

Defined in actionpack/lib/action_controller/metal/strong_parameters.rb line 570 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionController::Parameters

Signature

Parameters