Ошибка вывода запроса в php

Parse error: syntax error, unexpected '[', expecting ',' or ';' in Z:\home\mysait.by\www\index.php on line 14

<?php
require_once 'login.php';
$conn = new mysqli($hm,$un,$pw,$db);
if ($conn->connect_error) die ($conn->connect_error);
$query = "SELECT * FROM order_2";
$result =$conn->query($query);
if (!$result)die($conn->error);
$rows=$result->num_rows;

for ($j=0;$j<$rows;++$j)
{
   $result->data_seek($j);
   echo 'id: '.$result->fetch_assoc()['id_order'].'<br>';
   $result->data_seek($j);
   echo 'model: '.$result->fetch_assoc()['model'].'<br>';
   $result->data_seek($j);
   echo 'name: '.$result->fetch_assoc()['name'].'<br>';
  // $row =$result->fetch_array(MYSQLI_ASSOC);
  // echo 'id: ' .$row['id_order'].'<br>';
  // echo 'model: ' .$row['model'].'<br>';
   //echo 'name: ' .$row['name'].'<br>';
}
?>