On Apr 24, 2006, at 4:03 PM, Jeff Schroeder wrote:
It seems a little
odd to use a hash when all I really have is a huge set of "keys" (I
set
the values to 1 arbitrarily)
Quite the contrary; when you have a large set of unordered keys and
you need to look them up quickly (test for presence of a key), a hash
table is a pretty good choice. If you can impose some order on the
keys, a lookup tree might also be a good choice, too. But it doesn't
sound like PHP gives you anything but hashes for free, so you might
as well use a hash!
--Levi
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