At 08:52 20.03.2003, cpaul said:
>ok thanks - that makes sense.  sort of doesn't solve my problem, because
>if my function receives an enumerated array, i want it to treat it as an
>associative array, using the value as the key.

What would be the value then?

If I get you correctly, you would treat an array that comes like
    [0] => entry 0
    [1] => entry 1
    [2] => entry 2
    [entry 0] => ??
    [entry 1] => ??
    [entry 2] => ??

What happens when there are duplicate values in the source array? You will
loose entries on duplicate values.

If I got you right here have a look at array_flip()
( to exchange array sides.

You can't tell with absolute certainty if an array is enumerated, or built
as associative array. Take this example:
    $a = array('one','two','three');
    $b = array(); $b[0] = 'one'; $b[1] = 'two'; $b[2] = 'three';
    $c = array(0 => 'one', 1 => 'two', 2 => 'three');

Which one would you believe is enumerated, and which one is associative?

What you can do is walk the array keys and check if there is at least a
single non-numeric key. If you found one the array is associative. If you
found none it may be likely that the array is enumerated, but you can't be
sure in a general way, except your application is designed in a way that
uses always non-numeric keys for associative arrays.

   >O     Ernest E. Vogelsinger
   (\)    ICQ #13394035

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