What steps can be taken to ensure that session management in PHP is secure and reliable, especially when dealing with multiple users accessing the same application simultaneously?

To ensure secure and reliable session management in PHP when dealing with multiple users accessing the same application simultaneously, you can implement the following steps: 1. Use secure cookies for session management to prevent session hijacking. 2. Regenerate session IDs after successful login to prevent session fixation attacks. 3. Limit session variables to only store necessary information to reduce the risk of data exposure. 

// Set secure cookies for session management
ini_set('session.cookie_secure', 1);

// Regenerate session ID after successful login
session_regenerate_id(true);

// Limit session variables to necessary information
$_SESSION['user_id'] = $user_id;

Keywords

Session fixation session hijacking session_regenerate_id session_set_save_handler CSRF protection

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