createElement("h1", "Hello World!"); } private function description() { return $this->createElement( "p", $this->loadTextFile("en_description") ); } public function run(array $options = []) : bool { $this->appendChild($this->header()); $this->appendChild($this->description()); return true; } public function onWebsocketRequest( \Lewp\Websocket\Message $message ) : \Lewp\Websocket\Message { } };