hook_taxonomy

Definition

hook_taxonomy($op, $type, $array = NULL)
developer/hooks/core.php, line 1190

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"

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

"term"
"vocabulary"

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

for vocabularies, 'insert' and 'update' ops: $form_values from taxonomy_form_vocabulary_submit()
for vocabularies, 'delete' op: $vocabulary from taxonomy_get_vocabulary() cast to an array
for terms, 'insert' and 'update' ops: $form_values from taxonomy_form_term_submit()
for terms, 'delete' op: $term from taxonomy_get_term() cast to an array

Return value

None.

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

Code

<?php
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']);
    }
  }
}
?>