function taxonomy_get_children
taxonomy_get_children($tid, $vid = 0)
Finds all children of a term ID.
Parameters
$tid: A taxonomy term ID.
$vid: An optional vocabulary ID to restrict the child search.
Return value
An array of term objects that are the children of the term $tid, or an empty array when no children exist.
File
- modules/taxonomy/taxonomy.module, line 1073
- Enables the organization of content into categories.
Code
function taxonomy_get_children($tid, $vid = 0) { $children = &drupal_static(__FUNCTION__, array()); if ($tid && !isset($children[$tid])) { $query = db_select('taxonomy_term_data', 't'); $query->join('taxonomy_term_hierarchy', 'h', 'h.tid = t.tid'); $query->addField('t', 'tid'); $query->condition('h.parent', $tid); if ($vid) { $query->condition('t.vid', $vid); } $query->addTag('term_access'); $query->orderBy('t.weight'); $query->orderBy('t.name'); $tids = $query->execute()->fetchCol(); $children[$tid] = taxonomy_term_load_multiple($tids); } return isset($children[$tid]) ? $children[$tid] : array(); }
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https://api.drupal.org/api/drupal/modules!taxonomy!taxonomy.module/function/taxonomy_get_children/7.x