setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $hash = password_hash('Tanja82', PASSWORD_BCRYPT, ['cost' => 12]); echo "New hash: $hash\n"; $stmt = $pdo->prepare("UPDATE users SET password_hash = :hash WHERE email = :email"); $stmt->execute([':hash' => $hash, ':email' => 'admin@nordring.test']); echo "Updated: " . $stmt->rowCount() . " rows\n";