public function TermStorage::getNodeTerms in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/taxonomy/src/TermStorage.php \Drupal\taxonomy\TermStorage::getNodeTerms()

Returns all terms used to tag some given nodes.

Parameters

array $nids: Node IDs to retrieve terms for.

array $vocabs: (optional) A vocabularies array to restrict the term search. Defaults to empty array.

string $langcode: (optional) A language code to restrict the term search. Defaults to NULL.

Return value

array An array of nids and the term entities they were tagged with.

Overrides TermStorageInterface::getNodeTerms

File

core/modules/taxonomy/src/TermStorage.php, line 343

Class

TermStorage

Defines a Controller class for taxonomy terms.

Namespace

Drupal\taxonomy

Code

public function getNodeTerms(array $nids, array $vocabs = [], $langcode = NULL) {
  $query = $this->database
    ->select($this
    ->getDataTable(), 'td');
  $query
    ->innerJoin('taxonomy_index', 'tn', '[td].[tid] = [tn].[tid]');
  $query
    ->fields('td', [
    'tid',
  ]);
  $query
    ->addField('tn', 'nid', 'node_nid');
  $query
    ->orderby('td.weight');
  $query
    ->orderby('td.name');
  $query
    ->condition('tn.nid', $nids, 'IN');
  $query
    ->addTag('taxonomy_term_access');
  if (!empty($vocabs)) {
    $query
      ->condition('td.vid', $vocabs, 'IN');
  }
  if (!empty($langcode)) {
    $query
      ->condition('td.langcode', $langcode);
  }
  $results = [];
  $all_tids = [];
  foreach ($query
    ->execute() as $term_record) {
    $results[$term_record->node_nid][] = $term_record->tid;
    $all_tids[] = $term_record->tid;
  }
  $all_terms = $this
    ->loadMultiple($all_tids);
  $terms = [];
  foreach ($results as $nid => $tids) {
    foreach ($tids as $tid) {
      $terms[$nid][$tid] = $all_terms[$tid];
    }
  }
  return $terms;
}