+
+ if ( isset( $data['titlestr'] ) ) {
+ $this->title = Title::newFromText( $data['titlestr'] );
+ } elseif ( isset( $data['title'] ) && $data['title'] instanceof Title ) {
+ // Old serializations from before December 2018
+ $this->title = $data['title'];
+ } else {
+ $this->title = null; // Explicit for sanity
+ }