function taxonomy_get_parents_all

Find all ancestors of a given term ID.

3 calls to taxonomy_get_parents_all()
forum_forum_load in modules/forum/forum.module
Returns a tree of all forums for a given taxonomy term ID.
forum_node_view in modules/forum/forum.module
Implements hook_node_view().
taxonomy_field_validate in modules/taxonomy/taxonomy.module
Implements hook_field_validate().
1 string reference to 'taxonomy_get_parents_all'
taxonomy_terms_static_reset in modules/taxonomy/taxonomy.module
Clear all static cache variables for terms.

File

modules/taxonomy/taxonomy.module, line 1041

Code

function taxonomy_get_parents_all($tid) {
    $cache =& drupal_static(__FUNCTION__, array());
    if (isset($cache[$tid])) {
        return $cache[$tid];
    }
    $parents = array();
    if ($term = taxonomy_term_load($tid)) {
        $parents[] = $term;
        $n = 0;
        while ($parent = taxonomy_get_parents($parents[$n]->tid)) {
            $parents = array_merge($parents, $parent);
            $n++;
        }
    }
    $cache[$tid] = $parents;
    return $parents;
}

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