: A simple script might be vulnerable to Cross-Site Request Forgery. Ensure your form includes a hidden CSRF token.
: Avoid any script using md5() or sha1() . A modern, helpful script must use password_hash() and password_verify() . php script change password
: These are "battle-tested" and handle the edge cases (like password resets via email) that a simple script might miss. : A simple script might be vulnerable to
: Teaches you the logic behind session management and database updates. Cons : Easy to skip security steps if you aren't careful. User Management Libraries (Best for Production) php script change password