Are there any best practices for managing Session IDs in PHP applications?

To manage Session IDs securely in PHP applications, it is recommended to regenerate the Session ID after a user logs in or performs a privileged action to prevent session fixation attacks. Additionally, it is important to store session data securely and validate user input to prevent session hijacking. 

// Regenerate Session ID after user login
session_regenerate_id();

// Validate user input before storing in session
$_SESSION['user_id'] = filter_var($_POST['user_id'], FILTER_SANITIZE_NUMBER_INT);

Keywords

Session management PHP applications Session IDs Security Authentication

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