2008/4/30 Nathan Nobbe <quickshiftin@xxxxxxxxx>: > On Wed, Apr 30, 2008 at 2:58 PM, Richard Heyes <richardh@xxxxxxxxxxx> wrote: > > > but I was thinking if there is the function does that. > >> > > > > array_filter(). Note this: > > > > "If no callback is supplied, all entries of input equal to FALSE (see > > converting to boolean) will be removed." > > > > http://uk3.php.net/manual/en/function.array-filter.php > > > i dont really see how that gets him the answer without at least checking the > number of elements in the array after filtering it w/ array_filter; Because an empty array evaluates to false when cast to bool (which is implicit in a conditional). So this should work fine: if (array_filter($myArray)) { // only do this if there's stuff worth bothering with in myArray } -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
