Basic array stuff... Why [0] & ['key'] and [1] & ['value'] 'duplication'?

From: Glutinous (glutinosity_at_$yahoo$.co.uk)
Date: 10/31/03 

Date: Thu, 30 Oct 2003 23:14:28 +0000

I've been studying this for hours, searching the www & usenet, and
still can't figure out why 'each' returns an array of four key/value
pairs, when it looks like just two pairs would suffice...

That is, it looks to me like
[0] & ['key']
are the same, and also
[1] & ['value'],
so what's the point of duplicating them?

I'm assuming that in fact there are serious differences between
[0] and ['key']
and between
[1] and [value],
but I haven't a clue what that might be.

Any hints, URLs, explanaitons, etc. most welcome!

Thank you.

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