function file_field_delete_revision

file_field_delete_revision($entity_type, $entity, $field, $instance, $langcode, &$items)

Implements hook_field_delete_revision().

File

modules/file/file.field.inc, line 324

Field module functionality for the File module.

Code

function file_field_delete_revision($entity_type, $entity, $field, $instance, $langcode, &$items) {
  list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
  foreach ($items as $delta => $item) {
    // Decrement the file usage count by 1 and delete the file if possible.
    if (file_field_delete_file($item, $field, $entity_type, $id)) {
      $items[$delta] = NULL;
    }
  }
}