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['user_email'] = $user['email']; log_message("User login successful for {$email}. Redirecting to dashboard."); header("Location: dashboard.php"); exit; } else { $errors[] = 'Invalid email or password.'; log_message("Login failed for {$email}: Invalid email or password."); } } catch (PDOException $e) { $errors[] = "Database error: " . $e->getMessage(); log_message("Login failed for {$email}: Database error - " . $e->getMessage()); } } } ?>

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