+ /**
+ * @param array $categories
+ * @return bool|ResultWrapper
+ */
+ protected function addCategoryLinksToLBAndGetResult( array $categories ) {
+ # Add the links to a LinkBatch
+ $arr = [ NS_CATEGORY => $categories ];
+ $lb = new LinkBatch;
+ $lb->setArray( $arr );
+
+ # Fetch existence plus the hiddencat property
+ $dbr = wfGetDB( DB_REPLICA );
+ $fields = array_merge(
+ LinkCache::getSelectFields(),
+ [ 'page_namespace', 'page_title', 'pp_value' ]
+ );
+
+ $res = $dbr->select( [ 'page', 'page_props' ],
+ $fields,
+ $lb->constructSet( 'page', $dbr ),
+ __METHOD__,
+ [],
+ [ 'page_props' => [ 'LEFT JOIN', [
+ 'pp_propname' => 'hiddencat',
+ 'pp_page = page_id'
+ ] ] ]
+ );
+
+ # Add the results to the link cache
+ $lb->addResultToCache( LinkCache::singleton(), $res );
+
+ return $res;
+ }
+