prepare("SELECT * FROM users WHERE id = ?"); $stmt->execute([$_SESSION['user_id']]); $user = $stmt->fetch(); } if (!function_exists('getSetting')) { function getSetting($key, $default = null) { $stmt = db()->prepare("SELECT setting_value FROM system_settings WHERE setting_key = ?"); $stmt->execute([$key]); $row = $stmt->fetch(); return $row ? $row['setting_value'] : $default; } } ?>