protected function initFromRow( $row ) {
$this->setTarget( $row->ipb_address );
$this->setBlocker( User::newFromAnyId(
- $row->ipb_by, $row->ipb_by_text, isset( $row->ipb_by_actor ) ? $row->ipb_by_actor : null
+ $row->ipb_by, $row->ipb_by_text, $row->ipb_by_actor ?? null
) );
$this->mTimestamp = wfTimestamp( TS_MW, $row->ipb_timestamp );