1 taxonomy.module taxonomy_vocabulary_overview_access()

Access callback: Checks if a user has permission to view the vocabulary overview page. This is anyone who can create/update/delete terms in any existing vocabulary.

Return value

TRUE if the user has access, FALSE otherwise.:

See also



core/modules/taxonomy/taxonomy.module, line 460
Enables the organization of content into categories.


function taxonomy_vocabulary_overview_access() {
  // Users with the 'administer taxonomy' permission always have access.
  if (user_access('administer taxonomy')) {
    return TRUE;

  // Check access for each create/update (edit)/delete operation for terms
  // in all vocabularies and return TRUE if any of them are allowed.
  $vocabularies = taxonomy_vocabulary_load_multiple(FALSE);
  $operations = array('create', 'edit', 'delete');
  foreach ($vocabularies as $vocabulary) {
    foreach ($operations as $operation) {
      if (user_access("$operation terms in $vocabulary->machine_name")) {
        return TRUE;

  // Deny access if the user doesn't have any permissions for any vocabularies.
  return FALSE;