instance method `has_attribute?`

Ruby on Rails 3.0.20

Since v2.2.3 Last seen in v3.1.12

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12

Compare with:

has_attribute?(attr_name)

Returns true if the given attribute is in the attributes hash

Parameters

Source

# File activerecord/lib/active_record/base.rb, line 1516
      def has_attribute?(attr_name)
        @attributes.has_key?(attr_name.to_s)
      end

Defined in activerecord/lib/active_record/base.rb line 1516 · View on GitHub · Improve this page · Find usages on GitHub