Hi!
U can use the php function: is_numeric (http://de.php.net/manual/en/
function.is-numeric.php)
.... kinda:
function .... (id = null)
{
if (empty ($id) || !is_numeric ($id)) // error!!!
else // save/update/delete
}
Regards!
mono.
On Jan 18, 8:32 pm, Delirium tremens <[email protected]> wrote:
> Do you know
>
> <form action="ascript.php" method="get">
> <input type="hidden" name="id" value="a">
>
> and
>
> http://www.asite.com/script.php?id=a
>
> ?
>
> Valid IDs are numbers. How do I prevent my script from assigning
> invalid values to id?
>
> On 18 jan, 17:18, Webweave <[email protected]> wrote:
>
> > Not clear on what your question means, are you asking about validation
> > rules?
>
> > On Jan 18, 7:30 am, Delirium tremens <[email protected]> wrote:
>
> > > How to validate an id passed not by post, but by get? I do not have to
> > > output an error message to hackers and crackers, do I? I tested using /
> > > ^[0-9]{1,10}$/ as rule, nothing as message and passing an "a", but it
> > > did not output an error message.
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