TermStorage::getNodeTerms

public TermStorage::getNodeTerms(array $nids, array $vocabs = array(), $langcode = NULL)

public function getNodeTerms(array $nids, array $vocabs = array(), $langcode = NULL) {
  $query = db_select('taxonomy_term_field_data', 'td');
  $query->innerJoin('taxonomy_index', 'tn', 'td.tid = tn.tid');
  $query->fields('td', array('tid'));
  $query->addField('tn', 'nid', 'node_nid');
  $query->orderby('td.weight');
  $query->orderby('td.name');
  $query->condition('tn.nid', $nids, 'IN');
  $query->addTag('term_access');
  if (!empty($vocabs)) {
    $query->condition('td.vid', $vocabs, 'IN');
  }
  if (!empty($langcode)) {
    $query->condition('td.langcode', $langcode);
  }

  $results = array();
  $all_tids = array();
  foreach ($query->execute() as $term_record) {
    $results[$term_record->node_nid][] = $term_record->tid;
    $all_tids[] = $term_record->tid;
  }

  $all_terms = $this->loadMultiple($all_tids);
  $terms = array();
  foreach ($results as $nid => $tids) {
    foreach ($tids as $tid) {
      $terms[$nid][$tid] = $all_terms[$tid];
    }
  }
  return $terms;
}