Posted by kevincw01 on 03/11/07 08:42

On Mar 11, 12:38 am, "kevincw01" <k...@netkev.com> wrote:
> On Mar 11, 12:20 am, Rik <luiheidsgoe...@hotmail.com> wrote:
>
>
>
> > kevincw01 <k...@netkev.com> wrote:
> > > Anyone have a clever way to retrieve for example, items 0-29 from an
> > > array of size N>29, in random order? The catch is that I dont want to
> > > print any items more than once and I dont want to miss any.
>
> > > This is for a tag cloud where I have sorted them by popularity but now
> > > I need to display only the top 30. I do this now but they are in
> > > order of popularity and its not really a 'cloud'. If I could retrieve
> > > the top 30 in some random order, it would look better.
>
> > $array = array(....something..);
> > $top = array_splice(0,30,$array);
> > shuffle($top);
>
> > Where are you getting your data from? Seems it might be better to not have
> > this in the array to begin with.
> > --
> > Rik Wasmus
> > Posted on Usenet, not any forum you might see this in.
> > Ask Smart Questions:http://tinyurl.com/anel
>
> Interesting, I'm getting the famous array reference error with that
> code(first line below):
> <?php $top = array_splice(0,$tags2show,$tags); ?>
> <?php shuffle($top); ?>
>
> Fatal Error: Only variables can be passed by reference...
>
> The fix should be to store function array results in a temp variable
> but I don't see where I'm not doing that?

Wait I see the problem. That's the incorrect array_splice syntax.
Correct is array_splice($array,first_index,last_index). Works well
now.

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