- if ( $index === NS_MAIN ) {
- return '';
- } else {
- // First check if a message gives a converted name in the target variant.
- $nsConvMsg = wfMessage( 'conversion-ns' . $index )->inLanguage( $variant );
- if ( $nsConvMsg->exists() ) {
- return $nsConvMsg->plain();
- }
- // Then check if a message gives a converted name in content language
- // which needs extra translation to the target variant.
+
+ $cache = ObjectCache::newAccelerator( CACHE_NONE );
+ $key = wfMemcKey( 'languageconverter', 'namespace-text', $index, $variant );
+ $nsVariantText = $cache->get( $key );
+ if ( $nsVariantText !== false ) {
+ return $nsVariantText;
+ }
+
+ // First check if a message gives a converted name in the target variant.
+ $nsConvMsg = wfMessage( 'conversion-ns' . $index )->inLanguage( $variant );
+ if ( $nsConvMsg->exists() ) {
+ $nsVariantText = $nsConvMsg->plain();
+ }
+
+ // Then check if a message gives a converted name in content language
+ // which needs extra translation to the target variant.
+ if ( $nsVariantText === false ) {