What steps can be taken to troubleshoot PHP session handling errors?

PHP session handling errors can be troubleshooted by checking if the session has been started before accessing or setting session variables, ensuring that the session save path is writable by the web server, and verifying that the session cookie parameters are set correctly. 

<?php
// Check if session has been started before accessing or setting session variables
if (session_status() == PHP_SESSION_NONE) {
    session_start();
}

// Ensure session save path is writable by the web server
session_save_path('/path/to/writable/directory');

// Verify session cookie parameters are set correctly
session_set_cookie_params(3600, '/', '.example.com', true, true);

// Your PHP code here
?>

Keywords

PHP session handling troubleshooting errors debugging

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