createSecret(); $stmt = $pdo->prepare("INSERT INTO users (username, full_name, email, phone, password_hash, user_role, access_group) VALUES (?, ?, ?, ?, ?, ?, ?)"); $stmt->execute([$username, $full_name, $email, $phone, $password, $user_role, $access_group]); $message = "User '$username' created successfully."; } ?>