chg: pkg: add some changes on BE - add eslint and editorconfig - and add some deps #4

src/Util/TopicManager.php

@@ -75,7 +75,7 @@ class TopicManager extends WebsocketManager implements TopicManagerInterface
     {
         /** this will broadcast the message to ALL subscribers of this topic. */
         $user = $this->clientManipulator->getClient($connection);
-        $userName = $user->getUserIdentifier();
+        $userName = $user->getUserIdentifier() ?: 'anon_' . $connection->resourceId;
 
         /** if more user wants to connect than 2 to one channel */
         if ($topic->count() > 2) {