public TermStorage::loadChildren($tid, $vid = NULL)
Finds all children of a term ID.
Parameters
int $tid: Term ID to retrieve parents for.
string $vid: An optional vocabulary ID to restrict the child search.
Return value
\Drupal\taxonomy\TermInterface[] An array of term objects that are the children of the term $tid.
Overrides TermStorageInterface::loadChildren
File
- core/modules/taxonomy/src/TermStorage.php, line 170
Class
- TermStorage
- Defines a Controller class for taxonomy terms.
Namespace
Drupal\taxonomy
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | public function loadChildren($tid, $vid = NULL) { if (!isset($this->children[$tid])) { $children = array(); $query = $this->database->select('taxonomy_term_field_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->condition('t.default_langcode', 1); $query->addTag('term_access'); $query->orderBy('t.weight'); $query->orderBy('t.name'); if ($ids = $query->execute()->fetchCol()) { $children = $this->loadMultiple($ids); } $this->children[$tid] = $children; } return $this->children[$tid];} |
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