start your session before sending any html output to browser
check that register_globals is on
if not use $HTTP_SESSION_VARS("a") instead to reference your session var
assign a value after having initialiazed your var not before
---------- Original Message ----------------------------------
From: "Gabriele Biondo" <[EMAIL PROTECTED]>
Date: Mon, 20 Aug 2001 14:34:35 +0200
>Dear sirs;
>i have a simple snippet of code :
><?
> session_start();
> $a = 10;
> session_register("a");
>?>
>
>i am trying to understand how do session work.
>
>Accessing at this document directly from the server (it is a SuSE 7.2 PE -
>running PHP 4.0.4
>and apache 1.3.9) i find out the following problem:
>
>Warning: cannot send session cookie - headers already sent (output started
>at ....)
>
>and
>
>Warning: cannot send session cache limiter - headers already sent (output
>started at ....)
>
>The matter is that if i access this variables from another page, they seem
>to be empty...
>
>How can i solve this little confusing problem?
>
>Thanks in advance
>
>Gabriele
>
>
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