    # File lib/active_record/validations.rb, line 291
          def validates_each(*attrs)
            options = attrs.last.is_a?(Hash) ? attrs.pop.symbolize_keys : {}
            attrs   = attrs.flatten

            # Declare the validation.
            send(validation_method(options[:on] || :save)) do |record|
              # Don't validate when there is an :if condition and that condition is false
              unless options[:if] && !evaluate_condition(options[:if], record)
                attrs.each do |attr|
                  value = record.send(attr)
                  next if value.nil? && options[:allow_nil]
                  yield record, attr, value
                end
              end
            end
          end