Untitled

<!DOCTYPE html>

<html lang="pl">
<?php include 'db.php';

$id = $_GET['id'];

$sql = "select * from tasks where id = '$id'";

$rows = $db->query($sql);

$row = $rows->fetch_assoc();
if (isset($_POST['send'])) {

    $task = $_POST['$task'];
    $sqlUpdate = "update tasks set name='$task' where id='$id'";

    $db->query($sqlUpdate);
    header('location: index.php');
}

?>
<head>
  <meta charset="utf-8">
  <title>Curd APP</title>
  <meta name="Kamil Gadawski" content="SitePoint">

  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"
  integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

  <!-- Optional theme -->
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css"
  integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">

  <!-- Latest compiled and minified JavaScript -->
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"
  integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>

</head>

<body>
  <div class="container">
    <div class="row">
      <center><h1>Update TODO List</h1></center>

      <div class="col-md-10 col-md-offset-1">
        <hr><br>
          <!-- Modal -->
                  <form method="post">
                    <div class="form-group">
                      <label>Task Name</label>
                      <input type="text" required name="task" value="<?php echo $row['name']; ?>" class="form-control">
                    </div>
                    <input type="submit" name="send" value="Update task" class="btn btn-success">
                  </form>
                </div>
      </div>
    </div>
</body>
</html>