prepare("SELECT id FROM users WHERE username = ?");
$stmt->execute([$username]);
if ($stmt->fetch()) {
$error = 'Username already taken.';
} else {
$hashed_password = password_hash($password, PASSWORD_DEFAULT);
$stmt = $pdo->prepare("INSERT INTO users (username, password) VALUES (?, ?)");
$stmt->execute([$username, $hashed_password]);
$_SESSION['user_id'] = $pdo->lastInsertId();
$_SESSION['username'] = $username;
header("Location: index.php");
exit;
}
} catch (PDOException $e) {
$error = "Database error: " . $e->getMessage();
}
}
}
?>
Register - AD Messaging App