Posted by Robert Cummings on 08/26/05 00:52

On Thu, 2005-08-25 at 15:18, George B wrote:
> Robert Cummings wrote:
> > On Thu, 2005-08-25 at 00:19, George B wrote:
> >
> >>Robert Cummings wrote:
> >>
> >>>On Thu, 2005-08-25 at 00:10, George B wrote:
> >>>
> >>>
> >>>>Ok, I am doing a sort of a project right now... It is like a php chat
> >>>>room that records every message into a database. Now, on the first post
> >>>>I want it to like set the name, so on first post it would say Name: and
> >>>>you set your name, then on every other message you post it just says
> >>>>Posted by and remembers your name from the last entry. Is this anyhow
> >>>>possible?
> >>>
> >>>
> >>>Check session... if no name, display name prompt, otherwise don't
> >>>display name prompt.
> >>>
> >>>Cheers,
> >>>Rob.
> >>
> >>which would I choose.
> >>http://us2.php.net/manual-lookup.php?pattern=sessions
> >
> >
> >
> > In brief:
> >
> > if( isset( $_POST['userName'] ) && !empty( trim( $_POST['userName'] ) )
> > )
> > {
> > //
> > // Save userName to session.
> > //
> > $_SESSION['userName'] = trim( $_POST['userName'] );
> > }
> >
> > if( isset( $_POST['message'] ) && !empty( trim( $_POST['message'] ) )
> > &&
> > isset( $_SESSION['userName'] ) )
> > {
> > //
> > // Handle submission of message.
> > //
> > }
> >
> > if( !isset( $_SESSION['userName'] ) )
> > {
> > //
> > // Display user name prompt.
> > //
> > }
> >
> >
> If I do that then i get this error
>
> Fatal error: Can't use function return value in write context in
> myfilename line 2
>
> What does that mean.

I don't know. I don't think it comes form the snippet I sent you...
which wasn't meant to be a functional snippet, more of a overview of the
process.

> And one more thing, on the code where it says
> if( !isset( $_SESSION['userName'] ) )
> Does that mean that in this code
>
> <form name="form1" method="" action="">
> the method is session?

No, it would be "post".

It sounds like you don't have a clue what you're doing. You might want
to read up on forms and sessions using PHP.

Cheers,
Rob.
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