sql server - how to connect to mssql using php mssql() -

there sample code below connect mysql

<?php  $dbh = new pdo('mysql:host=localhost;dbname=register', 'root', '12345'); $stmt = $dbh->prepare("insert registered(name, email, password) values (?,?,?)");  $stmt->bindparam(1, $name); $stmt->bindparam(2, $email); $stmt->bindparam(3, $pwd);  $name = $_post["fname"]; $email = $_post["email"]; $pwd = $_post["pwd"];  $stmt->execute(); echo "<p>thank registering!</p>"; ?> 

but need similar code in above connect "mssql" database using mssql() function examle refer http://www.wikihow.com/create-a-secure-login-script-in-php-and-mysql in above link there connect mysql without pdo