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Actually this is not specific to PHP at all. Ruby just uses a different hashing algorithm so you need to set different keys to get these results. This is a pro

by nikic 15y ago

Actually this is not specific to PHP at all. Ruby just uses a different hashing algorithm so you need to set different keys to get these results. This is a problem that hashtables have in general (unless they are randomized).

mdwrigh2 15y ago
Ruby 1.9's hash function has been randomized for awhile now, and I believe that 1.8.7 got a patch fixing this yesterday.