' . "\n"; echo '' . "\n"; // 1. Output the primary Homepage URL echo " \n"; echo " " . htmlspecialchars($base_url) . "\n"; echo " daily\n"; echo " 1.0\n"; echo " \n"; // 2. Query the database for active states try { $sql = "SELECT DISTINCT UPPER(state) as state FROM process_servers WHERE status = 'active' AND state IS NOT NULL AND state != ''"; $stmt = $pdo->prepare($sql); $stmt->execute(); $states = $stmt->fetchAll(PDO::FETCH_ASSOC); // Loop through results and generate a URL node for each state foreach ($states as $row) { $stateCode = trim($row['state']); // Ensure strictly 2-letter state codes to prevent malformed URLs if (preg_match('/^[A-Z]{2}$/', $stateCode)) { $state_url = $base_url . "?state=" . $stateCode; echo " \n"; echo " " . htmlspecialchars($state_url) . "\n"; echo " weekly\n"; echo " 0.8\n"; echo " \n"; } } } catch (PDOException $e) { // Fail silently in the XML output to prevent breaking the schema format for search engines } // Close XML structure echo ''; ?>