0) { while ($row = mysqli_fetch_assoc($result)) { $data[$x]['sbp'] = $row['sbp']; $data[$x]['dbp'] = $row['dbp']; $data[$x]['heart_rate'] = $row['heart_rate']; $data[$x]['checkup_date']=date_format(date_create($row['checkup_date']),"d-M-Y"); $x++; } } echo json_encode($data); ?>