Hi fellow developers,
I am encountering a hard-to-debug session problem where a session
variable is sometimes not being set. The following is the correct
scenario:
1) Users clicks submit on a form page and the following controller
code is executed:
2) $_SESSION['sess_var_msg'] = "You have successfully registered.";
$this->redirect("/businessprofile/");
exit;
3) The session variable is displayed on the redirected page.
<? if ($_SESSION['sess_var_msg'] != "") { ?>
... <?=$_SESSION['sess_var_msg']?> ...
<? $_SESSION['sess_var_msg'] = "";
} ?>
The problem is that the session variable is not always set or
displayed, but after I execute the code again, it works fine and every
time continuously afterward. The problem seems to occur after the
session has been idle for a long time. However, the entire session
itself is never lost or expired because all pages require the user to
be logged in and I always see the user's name (another session
variable) on each page.
It seems like it can be a cache problem, but I am setting nocache in
the beforeRender() function of my app_controller.php as follows:
header("Cache-Control: no-store, no-cache, must-revalidate, post-
check=0, pre-check=0"); // // HTTP/1.1
header("Pragma: no-cache");
header("Expires: Mon, 17 Dec 2007 00:00:00 GMT");
-- ADDITIONAL INFO --
Cake Version: 1.2.0.6311
Core.php :: Session.save: PHP
PHP Version: 5
Browser: Firefox 1.3 (and using multiple tabs)
Does anyone have any ideas?
Thanks,
Spence
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