Fishgame - onMessage()

public function onMessage(ConnectionInterface $from, $msg) {
        /*!
        Triggers everytime a message is received by the application.
        Depending on @p $msg type, the application will broadcast @p $msg accordingly.

        @param ConnectionInterface $from
        This is the socket (client) who sent @p $msg.
        @param string $msg
        A JSON string sent by the client.
        */

        $usermsg = json_decode($msg, true);

        if (isset($usermsg["message"])) {
            $forbidden = ['/</u', '/>/u'];
            $escapes = ['&lt;', '&gt;'];
            $nohtml = preg_replace($forbidden, $escapes, $usermsg["message"]); //Prevent HTML tags from being sent to other clients
        }

        $numRecv = count($this->players) -1;

        switch ($usermsg["type"]) {

            case 'text':
                $this->text($from, $nohtml, "text");
                break;

            case 'token':
                $this->token($from, $usermsg["im"]);
                break;

            case "ready":
                $this->ready($from);
                break;

            case "action":
                $this->text($from, $nohtml, "action");
                break;

            case "users":
                $this->whoIsOnline($from);
                break;

            case "listen":
                $this->listen($from);
                break;

            case "end":
                $this->finish($from, $nohtml);
                break;

            case 'statInit':
                $this->statInit($from);
                break;

        }

    }