User Registration:
Users provide a username, email, and password through a registration form. PHP validates the form inputs. Passwords are encrypted using bcrypt before storing them in the database. User data is inserted into the database. User Login:
Users enter their username/email and password through a login form. PHP verifies the credentials against the stored hashed password using password_verify. If credentials match, a session is started to keep the user logged in. Password Encryption:
Passwords are securely hashed using bcrypt before storing them in the database. Session Management:
Sessions are used to track user authentication status and store relevant user information during their visit. Logout:
Users can log out, which destroys the session and logs them out of the system.