setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $hash = '$2y$10$B8XjImKVuSlqv60dOG7z7eiFXY12v4m0Nf5pfVVcwpFGpeTxB8R8C'; $stmt = $pdo->prepare('UPDATE admin_users SET password_hash = ? WHERE username = ?'); $stmt->execute([$hash, 'admin']); $row = $pdo->query("SELECT id, username, password_hash FROM admin_users WHERE username='admin'")->fetch(PDO::FETCH_ASSOC); print_r($row); echo "\n"; ?>