In PHP, what are the best practices for maintaining session consistency and preventing the session_id from being recalculated?

To maintain session consistency and prevent the session_id from being recalculated in PHP, it is recommended to regenerate the session ID periodically or after certain actions to prevent session fixation attacks. This can be achieved by setting the session_regenerate_id() function to true. Additionally, it is important to ensure that the session cookie is secure by setting the session.cookie_secure option to true in the php.ini file. 

// Start the session
session_start();

// Regenerate session ID if necessary
if (!isset($_SESSION['last_regenerated']) || $_SESSION['last_regenerated'] < (time() - 300)) {
    session_regenerate_id(true);
    $_SESSION['last_regenerated'] = time();
}

// Set session cookie to be secure
ini_set('session.cookie_secure', 1);

Keywords

session consistency session_id recalculated PHP security

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