Testing if an array is empty

On 13.08.2007 17:32 zzapper wrote:
> Hi,
> Have tried to google this without 100% satisfaction.
>
> A function reads a mysql record into an array and returns it, if it
> doesnt exist it returns '' or FALSE.
>
> What ways do I have to test that my returned array is not empty


if(array_filter($ary))
$ary contains at least one non-empty element
else
$ary contains 0 elements or all elements are empty


--
gosha bine

makrell ~ http://www.tagarga.com/blok/makrell
php done right ;) http://code.google.com/p/pihipi

On Mon, 13 Aug 2007 18:36:20 +0200, gosha bine <stereofrog@gmail.com>
wrote:
> On 13.08.2007 17:32 zzapper wrote:
>> Hi,
>> Have tried to google this without 100% satisfaction.
>> A function reads a mysql record into an array and returns it, if it
>> doesnt exist it returns '' or FALSE.
>> What ways do I have to test that my returned array is not empty
>
>
> if(array_filter($ary))
> $ary contains at least one non-empty element
> else
> $ary contains 0 elements or all elements are empty


Hmmz, didn't know this would work, but offcourse simple converting to
boolean would do the trick, away with my functions :)
--
Rik Wasmus

On Aug 13, 5:39 pm, Rik <luiheidsgoe...@hotmail.com> wrote:
> On Mon, 13 Aug 2007 18:36:20 +0200, gosha bine <stereof...@gmail.com>
> wrote:
>
> > On 13.08.2007 17:32zzapperwrote:
> >> Hi,
> >> Have tried to google this without 100% satisfaction.
> >> A function reads a mysql record into an array and returns it, if it
> >> doesnt exist it returns '' or FALSE.
> >> What ways do I have to test that my returned array is not empty
>
> > if(array_filter($ary))
> > $ary contains at least one non-empty element
> > else
> > $ary contains 0 elements or all elements are empty
>
Like it

Are we going to vote this best solution?

zzapper

On Mon, 13 Aug 2007 22:33:27 +0200, zzapper <zzapper@gmail.com> wrote:

> On Aug 13, 5:39 pm, Rik <luiheidsgoe...@hotmail.com> wrote:
>> On Mon, 13 Aug 2007 18:36:20 +0200, gosha bine <stereof...@gmail.com>
>> wrote:
>>
>> > On 13.08.2007 17:32zzapperwrote:
>> >> Hi,
>> >> Have tried to google this without 100% satisfaction.
>> >> A function reads a mysql record into an array and returns it, if it
>> >> doesnt exist it returns '' or FALSE.
>> >> What ways do I have to test that my returned array is not empty
>>
>> > if(array_filter($ary))
>> > $ary contains at least one non-empty element
>> > else
>> > $ary contains 0 elements or all elements are empty
>>
> Like it
>
> Are we going to vote this best solution?
>

Except it might be better for the function to return false instead of an
empty array, yes indeed, I'd say so :)

--
Rik Wasmus