// authorization from a payment processor like Paypal checkout) the lack of a qfKey will not result in a valid
// one being generated so we generate one first.
$originalRequest = $_REQUEST;
- $qfKey = CRM_Utils_Array::value('qfKey', $_REQUEST);
+ $qfKey = $_REQUEST['qfKey'] ?? NULL;
if (!$qfKey) {
$_REQUEST['qfKey'] = CRM_Core_Key::get('CRM_Core_Controller', TRUE);
}