test pdo::prepare; using database server code try { $pdo = new PDO("mysql:host=mysql_x_server; dbname=s2con", "root", "pass"); $pdo->setAttribute(PDO::MYSQL_ATTR_DIRECT_QUERY, false); $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); var_dump($pdo->getAttribute(PDO::ATTR_SERVER_VERSION)); $stmt = $pdo->prepare("SELECT * FROM CD WHERE ID = ?"); $stmt->bindValue(2, null); $stmt->execute