prepare("SELECT * FROM users WHERE email = ?"); $stmt->execute([$email]); if ($stmt->fetch()) { $errors[] = 'Email already in use.'; } else { $hashed_password = password_hash($password, PASSWORD_DEFAULT); $stmt = $pdo->prepare("INSERT INTO users (email, password) VALUES (?, ?)"); $stmt->execute([$email, $hashed_password]); header("Location: login.php?registered=true"); exit; } } catch (PDOException $e) { $errors[] = "Database error: " . $e->getMessage(); } } } require_once __DIR__ . '/partials/header.php'; ?>