Re: Variable Variables and Super Global Arrays
| From: | Micah Gersten | Date: | Sun, 12 Oct 2008 17:40:36 +0000 |
| Subject: | Re: Variable Variables and Super Global Arrays | ||
| References: | 1 2 3 4 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-281755@lists.php.net to get a copy of this message | ||
I mean that it is open for hacking if you pass a variable name through a
URL.
Thank you,
Micah Gersten
onShore Networks
Internal Developer
http://www.onshore.com
daniel danon wrote:
> What do you mean?
>
> On Sun, Oct 12, 2008 at 5:40 PM, Micah Gersten <micah@onshore.com
> <mailto:micah@onshore.com>> wrote:
>
> That's fine as a test, but you never want to get a variable name
> from a
> URL in practice.
>
> Thank you,
> Micah Gersten
> onShore Networks
> Internal Developer
> http://www.onshore.com
>
>
>
> Richard Heyes wrote:
> >> $varname = "\$_SERVER['REMOTE_ADDR']";
> >> $varvalue = $$varname;
> >>
> >
> > That's wrong. Offhand you'll end up printing a string. I tried this:
> >
> > <?php
> > $a = 365;
> > $b = 366;
> >
> > $var = $_GET['var'];
> >
> > echo $$var;
> > ?>
> >
> > And it was fine.
> >
> >
>
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