instance method `[]`

Ruby on Rails 4.1.16

Since v4.0.13

Compare with:

[](key)

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

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

Parameters

Source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 286
    def [](key)
      convert_hashes_to_parameters(key, super)
    end

Defined in actionpack/lib/action_controller/metal/strong_parameters.rb line 286 · View on GitHub · Improve this page · Find usages on GitHub