function hook_taxonomy

You are here

4.6 core.php hook_taxonomy($op, $type, $object)
4.7 core.php hook_taxonomy($op, $type, $object = NULL)
5 core.php hook_taxonomy($op, $type, $array = NULL)
6 core.php hook_taxonomy($op, $type, $array = NULL)

Act on taxonomy changes.

This hook allows modules to take action when the terms and vocabularies in the taxonomy are modified.

Parameters

$op: What is being done to $array. Possible values:

  • "delete"
  • "insert"
  • "update"

$type: What manner of item $array is. Possible values:

  • "term"
  • "vocabulary"

$array: The item on which $op is being performed. Possible values:

Return value

None.

Related topics

2 functions implement hook_taxonomy()

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

forum_taxonomy in modules/forum/forum.module
Implementation of hook_taxonomy().
trigger_taxonomy in modules/trigger/trigger.module
Implementation of hook_taxonomy().
10 invocations of hook_taxonomy()
blogapi_metaweblog_get_category_list in modules/blogapi/blogapi.module
Blogging API callback. Returns a list of the taxonomy terms that can be associated with a blog node.
blogapi_mt_get_post_categories in modules/blogapi/blogapi.module
Blogging API callback. Returns a list of the taxonomy terms that are assigned to a particular node.
hook_search in developer/hooks/core.php
Define a custom search routine.
node_filters in modules/node/node.admin.inc
List node administration filters that can be applied.
node_filter_form in modules/node/node.admin.inc
Return form for node administration filters.

... See full list

File

developer/hooks/core.php, line 2090
These are the hooks that are invoked by the Drupal core.

Code

function hook_taxonomy($op, $type, $array = NULL) {
  if ($type == 'vocabulary' && ($op == 'insert' || $op == 'update')) {
    if (variable_get('forum_nav_vocabulary', '') == '' && in_array('forum', $array['nodes'])) {
      // since none is already set, silently set this vocabulary as the
      // navigation vocabulary
      variable_set('forum_nav_vocabulary', $array['vid']);
    }
  }
}