On Mon, 2008-11-17 at 18:01 -0500, Craige Leeder wrote:
> Ashley Sheridan wrote:
> > On Mon, 2008-11-17 at 17:47 -0500, Craige Leeder wrote:
> >
> >> Only thing to note with the foreach is that you are actually working on
> >> a copy of the array, so if you intend to modify it, pass it by reference.
> >>
> >> - Craige
> >>
> > Can you do that? I assume it would look like this:
> >
> > foreach(&$array as $a) {}
> >
>
> Close. It actually looks like this:
>
> foreach ($array as $key => &$value) {}
>
> This makes sense because for each iteration of the loop, PHP places a
> copy of the key in $key, and a copy of the value in $value. Therefor,
> you are specifying with this code that you want it to place a reference
> of the value into $value.
>
> - Craige
>
>
>
Ah, that could be very useful to know, thanks!
Ash
www.ashleysheridan.co.uk
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