Use unset () to reset the variable values and $_POST to set the values. As
long as there's no other, unacceptable access to your server, you'll be in
a good position, other security considerations aside. If any other latent
$_POST values exist, what could they do? And if they were to do anything,
could they not be reset easily?
> [Original Message]
> From: Angelo Zanetti <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
> Date: 11/23/2004 12:17:37 AM
> Subject: Re: [PHP] $_POST['xxx'] = "blabla" ?
>
> I speak under correction but the reason could be that if someone tries to
hack your site, for example I post to your HTML page, you want to check it
your $_POST contains a certain variable (which may be hidden)
>
> Not really sure besides that
>
>
>
> >>> Perry J�nsson <[EMAIL PROTECTED]> 11/22/2004 10:57:23 PM >>>
> Jay Blanchard wrote:
> > [snip]
> > What is the difference between these two examples?
> > Both works fine for me.
> >
> >
> >
> > 1. if ($_POST['submit'] == 'Login') {
> > ...
> > ...
> > }
> >
> > 2. if (isset($_POST['submit']) {
> > ...
> > ...
> > }
> > [/snip]
> >
> > One is checking if $_POST contains a specific value, the other just
checks to see if it contains a value. If $_POST['submit'] contains 'foo' is
ISSET. Make sense?
>
>
> Maybe a daft question but why would you like to check for a specific
value?
>
> Can you give an example when this is a good thing to do?
>
> /PJ
>
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