At 4/10/2007 03:09 PM, M.Sokolewicz wrote:
Such a function is inherently a Bad Idea (tm). array-values are not
unique. Array keys are. So unless you want to emulate the way
array_flip works (bad idea (tm)), I'd say: leave it be.
Whoever owns that trademark has totally got to be the wealthiest
person in this battered old world~
I guess one could argue that if the array values must be unique then
you could use the associative array keys to hold those values; then
you can use unset() to remove selected keys which *are* the
values. If both keys and values are unique, I'd consider (if only
briefly) maintaining two arrays, one a flipped version of the other,
so I could look up key/value pairs using either node.
If the values aren't unique and you want to remove all array elements
with a given value, you might use array_walk().
Flipping the array back and forth just to unset individual elements
seems extremely inefficient. Besides, if the element values aren't
unique, won't flipping the values & keys eliminate array elements
that share the same value?
Regards,
Paul
__________________________
Paul Novitski
Juniper Webcraft Ltd.
http://juniperwebcraft.com
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