* Processing needed for buildForm and later.
*/
public function preProcess() {
- $this->_search = CRM_Utils_Array::value('search', $_GET);
+ $this->_search = $_GET['search'] ?? NULL;
$this->_force = CRM_Utils_Request::retrieve('force', 'Boolean', $this, FALSE);
$this->_surveyId = CRM_Utils_Request::retrieve('sid', 'Positive', $this);
$this->_interviewerId = CRM_Utils_Request::retrieve('cid', 'Positive', $this);