$host_name = "";
$database = "";
$username = "";
$password = "";

try {
  $conn = new PDO('mysql:host='.$host_name.';dbname='.$database, $username, $password, array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8"));
} catch (PDOException $e) {
  print "Error!: " . $e->getMessage() . "<br/>";
  die();
}