/**
* Get terms related to the query.
*
* @return array
*/
public function getTerms()
{
// Extract the first search term from the search object:
$search = $this->searchObject->getParams()->getQuery();
$lookfor = $search instanceof Query ? $search->getString() : '';
// Get terminology information:
$terms = $this->worldCatUtils->getRelatedTerms($lookfor, $this->vocab);
// Wipe out any empty or unexpected sections of the related terms array;
// this will make it easier to only display content in the template if
// we have something worth displaying.
if (is_array($terms)) {
$desiredKeys = ['exact', 'broader', 'narrower'];
foreach ($terms as $key => $value) {
if (empty($value) || !in_array($key, $desiredKeys)) {
unset($terms[$key]);
}
}
}
return $terms;
}
