set_charset("utf8mb4"); $sql = "SELECT cedula, nombre FROM estudiantes"; $result = $conn->query($sql); $estudiantes = []; while ($row = $result->fetch_assoc()) { $estudiantes[] = $row; } echo json_encode([ "success" => true, "cantidad" => count($estudiantes), "datos" => $estudiantes ]); $conn->close(); } catch (mysqli_sql_exception $e) { http_response_code(500); echo json_encode([ "success" => false, "error" => $e->getMessage() ]); exit; }