1)Create a file with desired name (let it be vb_delete.php) with the following code

require_once(‘class.forumops.php’);
$clientdata = unserialize($_POST[‘post’]);
$forum = new ForumOps();
$errmsg = $forum->delete_user($clientdata[‘username’]);
if ($errmsg) echo $errmsg;
else echo “User deleted successfully.
n”;

NOTE :You can download the script using the url http://wp.me/p1aZaf-1d

2)Upload the file to the server the vBulletin installed

3)Paste the below given code , immediately after the code that update the user details .

$clientdata = array( ‘username’ => $username);
$url=”http://www.example.com/forum/vb_delete.php”;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_POST, 1);
curl_setopt ($ch, CURLOPT_POSTFIELDS, array(“post” => serialize($clientdata)));
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
$store = curl_exec ($ch);
echo $store;
curl_close ($ch);
exit;*/
// http://www.example.com/forum/ is the location where vbulletin is installed