On Mon, 2007-04-16 at 09:27 -0700, Jim Lucas wrote:
> Stut wrote:
> > Jim Lucas wrote:
> >> Richard Kurth wrote:
> >>> What do you do when isset does not work? If I send data in a
> >>> $_REQUEST['var'] like if (isset($_REQUEST['var'])) {
> >>> }
> >>> Put var has no data it still says it is set. Because $_REQUEST['var']
> >>> = ""
> >>> and isset thinks "" is set
> >>>
> >> I use this combination a lot:
> >>
> >> if ( isset($_GET['something']) && !empty($_GET['something']) ) {
> >> // do something here with $_GET['something']
> >> }
> >
> > The isset is a pointless waste of cycles.
> >
> > -Stut
> >
> well, as the OP said, he wants to know when the variable has a value other the "".
>
> So, to check for that you have to do something like this right?
>
> if ( $var != '' ) {}
> if ( strlen($var) > 0 ) {}
> if ( !empty($var) ) {}
> ... a number of other ideas come to mind, but
>
> none of them will work, because they will always product a E_NOTICE warning.
>
> You COULD always use empty() prefixed with an @ to quiet the E_NOTICE,
Stut wouldn't do that... especially not after calling isset() a waste of
cycles. using the @ to suppress warnings/errors still invokes the error
system, and that includes any error handler you've custom hooked.
Maybe Stut just writes bad code ;) ;)
Cheers,
Rob.
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