/**
* Returns an array of search results. This result is memoized for
* performance though setting the search key anew clears the memo again.
*
* @return array an array of search results
*/
function getSearchResult()
{
# no search key -> return empty array
if ($this->searchKey === '') {
return array();
}
# not memoized yet, do so now
if (is_null($this->searchResult)) {
$this->searchResult = StudipStudyArea::search($this->searchKey);
usort($this->searchResult, array(__CLASS__, 'sortSearchResult'));
}
return $this->searchResult;
}
public function searchSemTree($searchterm, $utf = true, $id_only = false)
{
$result = array();
$search = StudipStudyArea::search($searchterm);
$root = StudipStudyArea::backwards($search);
$result = $this->buildPartialSemTree($root, $utf, $id_only);
if ($id_only) {
return $result;
} else {
return json_encode($result);
}
}
