<Original message>
From: Christian Haines <[EMAIL PROTECTED]>
Date: Thu, Sep 06, 2001 at 03:15:05AM +1030
Message-ID: <[EMAIL PROTECTED]>
Subject: [PHP] session - why does this not work?
> hi all,
>
> any ideas why this does not work? its just a simple script to test
> multi-dimensional arrays. the count value should increment...should it not?
>
> many thanks in advance!
>
> <?
> session_start();
> session_register("count[0]");
>
> $count[0]++;
> echo $count[0]."<br> <br>";
>
> reset ($HTTP_SESSION_VARS);
> while (list($key, $value) = each ($HTTP_SESSION_VARS)) {
> echo "Key: $key; Value: $value<br>\n";
> }
> ?>
> <html>
>
> <body>
>
> <form name=test method=post action=session_test.php>
> <input name=submit type=submit>
> </form>
>
> </body>
> </html>
</Original message>
<Reply>
Try this instead:
session_start();
session_register("count");
$count = array();
$count[0]++;
Btw. faik a variable you session_register() will not be available in
the $HTTP_SESSION_VARS before you've left the page. But I'm not
sure, so you should check that out.
You should check $count for existence btw, before you register it as
a session variable. Ca. it's already registered as a session
variable. Then you don't want to register it again.
And besides that, what would you think of initializing variables? I
mean... you increase $count[0], but from which value? I'd say
something like this:
--- PHP code ---
session_start();
if (!isset ($count)) {
$count = array();
$count[0] = 0;
if (!session_is_registered) {
session_register ("count");
}
}
$count[0]++;
--- End of PHP code ---
</Reply>
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