Geolocation

// Geolocate on post save
function dcom_geolocate_locations($post_id){
    global $post;
    if(get_post_type() == 'dcom_auto_locations'){
      $fields = false;

      // load from post
      if( isset($_POST['fields']) )
      {
          $fields = $_POST['fields'];
          //'<pre>'.var_dump($fields).'</pre>';
          $address = '';
          foreach($fields as $key=>$value){
              if($key == 'field_523c578bad0ed' || $key == 'field_523c57a5ad0ee'){
                    $address .= $value.' ';
              }
          }
      }

      /* Request passes all checks; update the post's metadata */
        if(!empty($address)){
            $location = $address;
            $geocode = file_get_contents('http://maps.google.com/maps/api/geocode/json?address='.urlencode($address).'&sensor=false');
            $output = json_decode($geocode);
            if($output->status == 'OK'){
                $latitude = $output->results[0]->geometry->location->lat;
                $longitude = $output->results[0]->geometry->location->lng;
                    if($latitude){
                        update_post_meta($post->ID, 'dcom_auto_latitude', $latitude);
                    }
                    if($longitude){
                        update_post_meta($post->ID, 'dcom_auto_longitude', $longitude);
                    }
            }
        }

    }
}
add_action('save_post', 'dcom_geolocate_locations');