It would be something like:
<?php
$dsn = 'sqlsrv:Server=xx.xx.xx.xxx;Database=My_Database';
$user = "ZZZZ",
$password = "ZZZZZZ";
try {
$pdo = new PDO($dsn, $user, $password);
}
catch (PDOException $e) {
error_log($e->getMessage());
die("<p class='error'>Database connection failed. Debug info logged.</p>");
}
Now all you have to do is learn PDO (preferably the object-oriented syntax), prepared statements, etc.... 🙂