function key() { if ($_GET[Q_DB]->contains($_GET[Q_KEY])) { $bibdisplay = new BibEntryDisplay($_GET[Q_DB]->getEntryByKey($_GET[Q_KEY])); new $this->wrapper($bibdisplay, $bibdisplay->metadata()); return 'END_DISPATCH'; } else { new NonExistentBibEntryError(); } }