What is the “right” way to iterate through an array in Ruby?

Question

PHP, for all its warts, is pretty good on this count. There\'s no difference between an array and a hash (maybe I\'m naive, but this seems obviously right to me), and to ite

Answer 1

The other answers are just fine, but I wanted to point out one other peripheral thing: Arrays are ordered, whereas Hashes are not in 1.8. (In Ruby 1.9, Hashes are ordered by insertion order of keys.) So it wouldn't make sense prior to 1.9 to iterate over a Hash in the same way/sequence as Arrays, which have always had a definite ordering. I don't know what the default order is for PHP associative arrays (apparently my google fu isn't strong enough to figure that out, either), but I don't know how you can consider regular PHP arrays and PHP associative arrays to be "the same" in this context, since the order for associative arrays seems undefined.

As such, the Ruby way seems more clear and intuitive to me. :)