function image_field_caption_update_7204 in Image Field Caption 7.2

Move the instance setting from ['image_field_caption'] to ['image_field_caption']['enabled']. Reason: ['image_field_caption'] becomes the wrapper for additional settings.

File

./image_field_caption.install, line 410

Image field caption defines a new database schema for adding a caption to images.

Code

function image_field_caption_update_7204() {

  // Note: requires Drupal 7.22 or newer as field_info_field_map()
  // function was introduce in 7.22.
  // Grab all of the fields.
  $fields = field_info_field_map();
  foreach ($fields as $field_name => $field) {

    // Only modify 'image' type fields.
    if ($field['type'] == 'image') {
      foreach ($field['bundles'] as $entity_type => $bundles) {
        foreach ($bundles as $bundle) {

          // Load the instance.
          $instance = field_info_instance($entity_type, $field_name, $bundle);

          // If the setting is not an array, then it is an old settings.
          if (isset($instance['settings']['image_field_caption']) && !is_array($instance['settings']['image_field_caption'])) {
            $enabled_value = $instance['settings']['image_field_caption'];
            unset($instance['settings']['image_field_caption']);
            $instance['settings']['image_field_caption'] = array(
              'enabled' => $enabled_value,
            );
            field_update_instance($instance);
          }
        }
      }
    }
  }
}