Mysqli Prepare PHP

Mysqli Prepare

This Is A Secure Way To Sign up With mysqli::prepare

<?php
function secured_signup($username,$password)
{
$connection = new mysqli($dbhost,$dbusername,$dbpassword,$dbname);
if ($connection->connect_error)
die("Secured");

$prepared = $connection->prepare("INSERT INTO `users` ( `username` , `password` ) VALUES ( ? , ? ) ; ");
if($prepared==false)
die("Secured");

$result=$prepared->bind_param("ss",$username,$password);
if($result==false)
die("Secured");

$result=$prepared->execute();
if($result==false)
die("Secured");

$prepared->close();
$connection->close();
}
/*
$dbhost ---> DataBase IP Address
$dbusername ---> DataBase Username
$dbpassword ---> DataBase Password
$dbname ---> DataBase Name
*/
?>