function image_field_delete_instance

Implements hook_field_delete_instance().

File

modules/image/image.module, line 478

Code

function image_field_delete_instance($instance) {
    // Only act on image fields.
    $field = field_read_field($instance['field_name']);
    if ($field['type'] != 'image') {
        return;
    }
    // The value of a managed_file element can be an array if the #extended
    // property is set to TRUE.
    $fid = $instance['settings']['default_image'];
    if (is_array($fid)) {
        $fid = $fid['fid'];
    }
    // Remove the default image when the instance is deleted.
    if ($fid && ($file = file_load($fid))) {
        file_usage_delete($file, 'image', 'default_image', $instance['id']);
    }
}