Registration successful! Please log in.'; } if ($_SERVER["REQUEST_METHOD"] == "POST") { $email = trim($_POST['email']); $password = $_POST['password']; if (empty($email) || !filter_var($email, FILTER_VALIDATE_EMAIL)) { $errors[] = 'A valid email is required'; } if (empty($password)) { $errors[] = 'Password is required'; } if (empty($errors)) { try { $pdo = db(); $stmt = $pdo->prepare("SELECT * FROM users WHERE email = ?"); $stmt->execute([$email]); $user = $stmt->fetch(); if ($user && password_verify($password, $user['password'])) { $_SESSION['user_id'] = $user['id']; $_SESSION['username'] = $user['username']; header("Location: dashboard.php"); exit; } else { $errors[] = 'Invalid email or password'; } } catch (PDOException $e) { $errors[] = "Database error: " . $e->getMessage(); } } } ?>

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