$conn = new mysqli($servername, $username, $password, $db);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql1 = "CREATE USER '$mysqluser'@'%' IDENTIFIED BY '$mysqlpassword1'";
$sql2= "INSERT INTO pma__users (username, usergroup) VALUES ('$mysqluser', 'General User')";

$conn->select_db('StartableHosting');
$sql3= "INSERT INTO mysql_accounts (username, cust_id) VALUES ('$mysqluser', '" . $_SESSION['id'] . "')";