new

new(attributes = nil)

Class Public methods

Returns a new instance of ActionController::Parameters. Also, sets the permitted attribute to the default value of ActionController::Parameters.permit_all_parameters.

class Person < ActiveRecord::Base
end
 
params = ActionController::Parameters.new(name: 'Francesco')
params.permitted?  # => false
Person.new(params) # => ActiveModel::ForbiddenAttributesError
 
ActionController::Parameters.permit_all_parameters = true
 
params = ActionController::Parameters.new(name: 'Francesco')
params.permitted?  # => true
Person.new(params) # => #<Person id: nil, name: "Francesco">

Links:

https://github.com/rails/rails/blob/c7d93fb58077c1f43967ad79f15f2ae4beec44dd/actionpack/lib/action_controller/metal/strong_parameters.rb#L124

doc_ruby_on_rails

2025-01-10 15:47:30

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