This should help:
http://www.php.net/manual/en/function.array-key-exists.php
Cheers,
Rob.
On Fri, 2003-08-22 at 13:26, Curt Zirzow wrote:
> * Thus wrote Christian Calloway ([EMAIL PROTECTED]):
> > Ok, here's the deal. I like to use $_GET and $_POST variables without values
> > to notify my scripts that some action must be taken. For example, given the
> > following URL:
> >
> > http://blahdomain/blah.php?productid=1&edit
> >
> > or given the following form element:
> >
> > <input type=hidden name="edit">
>
> simply add a value="1" and it will fix your problem.
>
> >
> > My blah.php script will check if edit set using the following line:
> >
> > if (isset($_REQUEST["edit"]))
> > {
> > ..
> > }
> >
> > and then it will take the appropriate actions (lets just say its updating a
> > record in the database). Locally I am running PHPv4.3.2, and everything
> > works fine. I have been working on a large web-based application for the
> > last month, and yesterday I put it up live. Our host unfortunately runs
> > PHPv4.2.1 and I have no access to the conf files (those bastards) and
> > globals are set to on. Low and behold, the isset function returns false when
> > a $_POST or $_GET variable is passed but contains no value, which would be
> > exactly the same thing as checking the variable itself:
> >
>
>
> Curt
> --
> "I used to think I was indecisive, but now I'm not so sure."
>
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