How can PHP developers ensure session security and prevent session hijacking?

To ensure session security and prevent session hijacking in PHP, developers can use session_regenerate_id() to generate a new session ID on each request, set session.cookie_httponly to true to prevent client-side scripts from accessing the session cookie, and enable session.use_only_cookies to ensure that sessions are only maintained via cookies.

// Enable session cookie settings for security
ini_set('session.cookie_httponly', 1);
ini_set('session.use_only_cookies', 1);

// Regenerate session ID on each request
session_regenerate_id(true);