instance method `extract!`

Ruby on Rails 5.2.8.1

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:

extract!(*keys)

Removes and returns the key/value pairs matching the given keys.

params = ActionController::Parameters.new(a: 1, b: 2, c: 3)
params.extract!(:a, :b) # => <ActionController::Parameters {"a"=>1, "b"=>2} permitted: false>
params                  # => <ActionController::Parameters {"c"=>3} permitted: false>

Parameters

keys rest

Source

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 637
    def extract!(*keys)
      new_instance_with_inherited_permitted_status(@parameters.extract!(*keys))
    end

Defined in actionpack/lib/action_controller/metal/strong_parameters.rb line 637 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionController::Parameters

Signature

Parameters