Club Drupal

/**

 * Sets the value of the new "Default country" setting.

 */

function addressfield_update_7001() {

  $address_fields = array();

  foreach (field_info_fields() as $field_name => $field_info) {

    if ($field_info['type'] == 'addressfield') {

      $address_fields[$field_name] = $field_name;

    }

  }

  foreach (field_info_instances() as $entity_type => $bundles) {

    foreach ($bundles as $bundle_name => $instances) {

      foreach (array_intersect_key($instances, $address_fields) as $field_name => $instance) {

        // Optional fields get the None default. Required fields get the

        // previously selected default country.

        $default_country = '';

        if (!empty($instance['required']) && !empty($instance['default_value'])) {

          $default_country = $instance['default_value']['country'];

        }

        $instance['widget']['settings']['default_country'] = $default_country;

        unset($instance['default_value']);

        field_update_instance($instance);

      }

    }

  }

}