Re: Variable Swap
| From: | Mike Frazer | Date: | Thu, 24 Jan 2002 08:29:27 +0000 |
| Subject: | Re: Variable Swap | ||
| References: | 1 2 3 | Groups: | php.lang |
| Request: | Send a blank email to php-lang+get-264@lists.php.net to get a copy of this message | ||
If you're going to be using this a lot, why not just create a function to do
it? You'll have that third variable but it will be destroyed every time the
function breaks. Low system overhead in that case.
Mike
"Yasuo Ohgaki" <yasuo_ohgaki@yahoo.com> wrote in message
news:3C1820F0.8010407@yahoo.com...
> Andrei Zmievski wrote:
>
> > On Mon, 10 Dec 2001, Bharath Bhushan Lohray wrote:
> >
> >>Is there a way of swapping the values of two variables without involving
a
> >>third variable.
> >>
> >>something similar to the SWAP(A$,B$) of BASIC
> >>
> >>I have a big variable(array) and I want to keep my script's memory
> >>requirements as low as possible.
> >>
> >
> > list($b, $a) = array($a, $b);
> >
> > -Andrei
> > * Reality isn't all it's cracked up to be. *
> >
>
> This is nice code.
> I didn't think of that :)
>
> Question is which is faster & memory efficient,
> but there wouldn't be much difference though.
>
> --
> Yasuo Ohgaki
>