geocode with google api v3

geocode.php

<?php
  $address = "Sutorejo Utara, Surabaya, Indonesia";
  $address = urlencode($address);
  
  $url = "http://maps.googleapis.com/maps/api/geocode/json?address=$address&sensor=false";
  $raw = file_get_contents($url);
  $data = json_decode($raw);

  $lat = $data->results[0]->geometry->location->lat;
  $lng = $data->results[0]->geometry->location->lng;

  print $lat. ", ".$lng;
?>