Login form update command

Login form update command

<?php

$con=mysqli_connect('localhost','root','','deepak');

$id=$_GET['id'];

echo "$id";

  $name=$_POST['name'];

  $password=$_POST['password'];

$de="UPDATE login SET Name='$name', Password='$password' WHERE id='$id'";

mysqli_query($con,$de);

header('location:show.php');

?>