[clug] need another set of eyes - PHP when no variable is passed

[Robert Edwards]

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 could use a session cookie (see PHPs session_start () etc.
functions). The actual variable is then held on the server, not sent
back and forth to the client browser.

Cheers,

Bob Edwards.