[clug] need another set of eyes - PHP when no variable is passed
David Tulloh
david at tulloh.id.au
Thu Mar 30 03:23:12 GMT 2006
Kristy A. Bennett wrote:
> Okay,
>
> It's just one of those days >:o
>
> Okay so here's the dilemma. I have a page - say index.php which has a
> variable 'menu' to be passed back to itself. This variable is then used
> to call in flash movie (yeah, yeah I know....). This part was working
> and but I have since broken it again. However, the problem does not lie
> here.
>
> I cannot for the life of me work out how to set a default variable if
> one is not passed (eg user goes to index.php as opposed to
> index.php?menu="about").
>
> I have tried if(!$menu) {blah} and if ($menu=="") {blah}. Neither work
> - is there any other solution that I have just simply overlooked?
>
You should be using $_GET['menu'] rather than $menu. Register globals
is bad and it has been entirely removed from PHP 6.
I think you want to use the isset() function.
if(!isset($_GET['menu']) { do stuff; }
or using register globals, if(!isset($menu)) { do stuff; }
David
More information about the linux
mailing list