Andy,
I know the current possibilities and limitations, but i'm wondering why
superglobals can't be used in function declarations. Is there a
particular reason for this?
Regards,
Filip de Waard
On Thu, 2003-10-30 at 11:35, Andi Gutmans wrote:
> Hi,
>
> In general you are only allowed to use scalars as default values. This
> won't change.
>
> I suggest you do something like:
>
> function refresh($location = NULL) {
> if ($location === NULL) {
> $location = $_SERVER['PHP_SELF'];
> }
> }
>
> At 11:26 AM 10/30/2003 +0100, Filip de Waard wrote:
> >Hello,
> >
> >I've been using PHP for quite a while now and i'm getting interested
> >it's internal beheaviour. I'm wondering why it isn't possible to use a
> >global variable inside of a function declaration. For example:
> >
> ><?
> >function refresh($location = $_SERVER['PHP_SELF'])
> >{
> > //refresh and load $location
> >}
> >//refreshes the page
> >refresh();
> >//redirects to another page
> >refresh("http://www.php.net/";);
> >?>
> >
> >Of course there are ways to circumvent this problem that have the same
> >result, but require more code. IMHO allowing globals inside of function
> >declarions will create interesting possibilities that could result in
> >more efficient code.
> >
> >Regards,
> >
> >Filip de Waard
> >Net Collective
> >
> >www.netcollective.nl
> >
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