On Fri, 31 Aug 2001, Nic Skitt wrote:
> Warning: Cannot add header information - headers already sent by (output
> started at c:\apache\apache\htdocs\client-secure.php:11) in
> c:\apache\apache\htdocs\client-secure.php on line 18
>
> Which would indicate that the line 11 is sending output to the browser. Line
> 11 is:
>
> $uid=$HTTP_SESSION_VARS["userid"];
>
> How can this be sending an output? I also get this:
The error you get isn't saying that line 11 is sending output; the error
is saying that output was sent prior to line 11. You'll get the error if
you have any code that sends output to STDOUT, or if you have any HTML or
even whitespace before your opening PHP tag, and then try to send header
data. (Once the browser starts getting the data your PHP script sends to
STDOUT and other HTML and spaces, the browser has all the header data its
going to use, and sending more is erroneous.)
> Warning: Undefined index: userid in
> c:\apache\apache\htdocs\client-secure.php on line 11
> Which would indicate that it cant find the session info. If it cant find it
> does it write it?
Make sure you registered userid as a session variable
i.e. - session_register("userid");
And/Or make sure you make a call to session_start() before trying to check
the session variable(s) if you registered the variable in another script
and/or don't have session.auto_start set to 1.
(http://www.php.net/manual/en/ref.session.php)
~Chris /"\
\ / Pine Ribbon Campaign
Microsoft Security Specialist X Against Outlook
The moron in Oxymoron. / \ http://www.thebackrow.net
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