instance method `to_param`

Ruby on Rails 4.1.16

Since v3.0.20

Compare with:

to_param()

Returns a string representing the object’s key suitable for use in URLs, or nil if persisted? is false.

class Person < ActiveRecord::Base
end

person = Person.create
person.to_param # => "1"

Source

# File activemodel/lib/active_model/conversion.rb, line 64
    def to_param
      (persisted? && key = to_key) ? key.join('-') : nil
    end

Defined in activemodel/lib/active_model/conversion.rb line 64 · View on GitHub · Improve this page · Find usages on GitHub

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