Re: Variable Variables and Super Global Arrays

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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@xxxxxxxxxxx
> <mailto:micah@xxxxxxxxxxx>> 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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>

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