Currently interwiki result are always computed even if the client does
not request them.
Pass the option via featureData to allow SearchEngine not to run
interwiki searches when not needed.
Bug: T147003
Change-Id: I55067bc7e5d926a3e37f4d24fb8e085bd252c376
// Create search engine instance and set options
$search = $this->buildSearchEngine( $params );
$search->setFeatureData( 'rewrite', (bool)$params['enablerewrites'] );
+ $search->setFeatureData( 'interwiki', (bool)$interwiki );
$query = $search->transformSearchTerm( $query );
$query = $search->replacePrefixes( $query );