function taxonomy_taxonomy_vocabulary_update in Drupal 7

Implements hook_taxonomy_vocabulary_update().

File

modules/taxonomy/taxonomy.module, line 531

Enables the organization of content into categories.

Code

function taxonomy_taxonomy_vocabulary_update($vocabulary) {

  // Reflect machine name changes in the definitions of existing 'taxonomy'
  // fields.
  if (!empty($vocabulary->old_machine_name) && $vocabulary->old_machine_name != $vocabulary->machine_name) {
    $fields = field_read_fields();
    foreach ($fields as $field_name => $field) {
      $update = FALSE;
      if ($field['type'] == 'taxonomy_term_reference') {
        foreach ($field['settings']['allowed_values'] as $key => &$value) {
          if ($value['vocabulary'] == $vocabulary->old_machine_name) {
            $value['vocabulary'] = $vocabulary->machine_name;
            $update = TRUE;
          }
        }
        if ($update) {
          field_update_field($field);
        }
      }
    }
  }
}