&& !is_null( $row->rev_len )
&& !is_null( $row->rev_parent_id )
) {
- $parentLen = isset( $this->parentLens[$row->rev_parent_id] )
- ? $this->parentLens[$row->rev_parent_id]
- : 0;
+ $parentLen = $this->parentLens[$row->rev_parent_id] ?? 0;
$vals['sizediff'] = intval( $row->rev_len - $parentLen );
}