RE: [PHP] Validating get and post data
| From: | John W. Holmes | Date: | Tue, 03 Dec 2002 03:45:54 +0000 |
| Subject: | RE: [PHP] Validating get and post data | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-126804@lists.php.net to get a copy of this message | ||
> > I think what's happening here is a type issue. The comparison is
> returning
> a
> > boolean, so when $c != '0', the switch is true and the case is
resolving
> to
> > true, and executing. But when $c == '0', with switch is (false),
but
> the
> > case is true. Change the case to
> > ($c > chr(58) and $c < chr(58)):
> > pass in '09090' and see what you get. Perhaps the case isn't the
right
> > structure for this test.
>
> I think you're in the right track.
>
> Running these would produce different results:
>
> ---------- script 1 ----------
> $s = '0';
> switch ($s){
> case ($s > chr(47) && $s < chr(58)):
> echo 'Yehey!';
> break;
> default:
> echo 'Boo!';
> }
>
> ---------- script 2 ----------
> $s = 0;
> switch ($s){
> case ($s > chr(47) && $s < chr(58)):
> echo 'Yehey!';
> break;
> default:
> echo 'Boo!';
> }
I think the problem is just the incorrect use of a switch. If you change
your code to
switch(1)
then it works as it should. You should be using if..elseif for your
style of "cases".
---John Holmes...