function addressfield_field_is_empty in Address Field 7
Implements hook_field_is_empty().
File
- ./addressfield.module, line 458 
- Defines a field for attaching country-specific addresses to entities.
Code
function addressfield_field_is_empty($item, $field) {
  // Every address field must have at least a country value or it is considered
  // empty, even if it has name information.
  return empty($item['country']);
}