将当前标题添加到面包屑 /** * Add current page to breadcrumb */ function THEME_NAME_preprocess_breadcrumb (& $ variables ) { if ( $ variables [ 'breadcrumb' ]) { $ request = \ Drupal :: request (); $ route_match = \ Drupal :: routeMatch (); $ page_title = \ Drupal :: service ( 'title_resolver' )-> getTitle ( $ request , $ route_match -> getRouteObject ()); if (! empty ( $ page_title )) {