- $end = wfBaseconvert( $block->getRangeEnd(), 16, 10 );
- $start = wfBaseconvert( $block->getRangeStart(), 16, 10 );
+ $end = Wikimedia\base_convert( $block->getRangeEnd(), 16, 10 );
+ $start = Wikimedia\base_convert( $block->getRangeStart(), 16, 10 );