bubble sort with ruby

bubble_sort.rb

def bubble_sort(array)
	sorted = false
	until sorted do
		sorted = true
		array.each_with_index do |_, i|
			if i + 1 != array.length && array[i] > array[i + 1]
				array[i], array[i + 1] = array[i + 1], array[i]
				sorted = false
			end
		end
	end
	return array
end

p bubble_sort([4,3,78,2,0,2])