What are some potential security risks associated with session manipulation in PHP?

Session manipulation in PHP can lead to security risks such as session hijacking, session fixation, and session poisoning. To mitigate these risks, it is important to properly configure session handling in PHP, use secure session management techniques, and validate user input to prevent unauthorized access to sessions.

// Implementing secure session handling in PHP
session_start();

// Regenerate session ID to prevent session fixation
session_regenerate_id(true);

// Set session cookie parameters for secure transmission
$cookieParams = session_get_cookie_params();
$cookieParams["secure"] = true; // Use HTTPS
$cookieParams["httponly"] = true; // Prevent JavaScript access
session_set_cookie_params($cookieParams);