$latestSource = Revision::newFromPageId( $id, 0, Revision::READ_LATEST );
if ( $latestSource->getTimestamp() > $latestDest->getTimestamp() ) {
$logStatus = 'cannot merge since source is later';
$latestSource = Revision::newFromPageId( $id, 0, Revision::READ_LATEST );
if ( $latestSource->getTimestamp() > $latestDest->getTimestamp() ) {
$logStatus = 'cannot merge since source is later';