hook_taxonomy

Definition

hook_taxonomy($op, $type, $object = NULL)
developer/hooks/core.php, line 963

Description

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 $object. Possible values:

"delete"
"insert"
"update"
"form"

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

"term"
"vocabulary"

$object The item on which $op is being performed.

Return value

None for delete, insert and update. For operations "form", a $form object containing the form api elements that you wish to display on the form.

Name	Description
Hooks	Allow modules to interact with the Drupal core.

Code

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