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3 maj 2010 · The variables are probable not set, because you haven't activate the session variables with session_start (). session_id() == '' is not a correct conditional . Use instead: if (!isset($_SESSION)) { session_start();} if you have session started then you can set a session variable.
7 maj 2013 · Check where you sessions are being written to (session.save_path in your ini file). Usually it is in the /tmp folder. But if it set to another folder and your web server does not have permissions to write into it, you can encounter this issue.
Notice that session variables are not passed individually to each new page, instead they are retrieved from the session we open at the beginning of each page (session_start ()). Also notice that all session variable values are stored in the global $_SESSION variable: Example.
16 lut 2021 · Sessions allow user information to be persisted across all the pages of a website or app. In this post, you'll learn the basics of session handling in PHP: how sessions work and how they are related to cookies, and how to work with sessions and session variables. Sajal Soni.
The result is that PHP can create session files, but cannot go back and read them later. This appears to be why your sessions are failing. Fix the ownership and permissions so that www-data can both read and write ( rwx ).
19 paź 2010 · When testing the login script, the session variable does get set to true. After it forwards to the index page, it’s reset, or lost, or whatever it is that happens to it. Could I get some...
4 lip 2023 · When moving from `page1.php` to `page2.php`, I was using a regular anchor tag `<a href="page2.php">`, which was causing the session variables to not be passed along. To resolve this, I switched to using `session_write_close()` before the redirect.
