On Wed, 2009-06-17 at 17:11 -0400, tedd wrote: > Hi gang: > > Here's the problem. Let's say you have a collection of arrays, such as: > > $a = array(); > $b = array(); > $c = array(); > $d = array(); > > And then you populate the arrays like so: > > while(...) > { > $a[] = ... > $b[] = ... > $c[] = ... > $d[] = ... > } > > Now, let's say you want to sort the $d array, but you also want the > arrays $a, $b, and $c to be arranged in the same resultant order as > $d. > > For example, please follow this: > > Before sort of $d: > $a = [apple, banana, grape, orange] > $b = [100, 2111, 198, 150] > $c = [red, yellow, purple, orange] > $d = [100, 300, 11, 50] > > After sort of $d: > $a = [grape, orange, apple, banana] > $b = [198, 150, 100, 2111] > $c = [purple, orange, red, yellow] > $d = [11, 50, 100, 300] > > Is there a slick way to do that? > > Cheers, > > tedd > > -- > ------- > http://sperling.com http://ancientstones.com http://earthstones.com > I'd probably go with some sort of custom bubble sorting function. Base the sorting on your $d array, and then update the other arrays as necessary. Should be OK if they all have the same index, like in your example. If you were using keys, could you maybe join all the arrays using some sort of serialisation, sort, then unserialise into the separate arrays? Thanks Ash www.ashleysheridan.co.uk -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php