prepare("SELECT name, url FROM pdfstandards WHERE idstandards = ?"); $query->bind_param("i", $idstandards); $query->execute(); $result = $query->get_result(); $pdfs = []; while ($row = $result->fetch_assoc()) { $pdfs[] = ['name' => $row['name'], 'url' => $row['url']]; } echo json_encode($pdfs);