Slackwolf\Game\GameManager::input PHP Method

    public function input(Message $message)
    {
        $input = $message->getText();
        if (!is_string($input) || !isset($input[0]) || $input[0] !== '!') {
            return FALSE;
        }
        // Example: [!kill, #channel, @name]
        $input_array = explode(' ', $input);
        // Remove "!" from first element of array and set to lowercase.
        $command = strtolower(substr($input_array[0], 1));
        if (strlen($command) < 2) {
            return false;
        }
        $args = [];
        foreach ($input_array as $i => $arg) {
            if ($i == 0) {
                continue;
            }
            // Skip the command
            if (empty($arg)) {
                continue;
            }
            $args[] = $arg;
        }
        if ($command == null) {
            return false;
        }
        if (!isset($this->commandBindings[$command])) {
            return false;
        }
        try {
            /** @var Command $command */
            $command = new $this->commandBindings[$command]($this->client, $this, $message, $args);
            $command->fire();
        } catch (Exception $e) {
            return false;
        }
        return true;
    }

 public function run()
 {
     /*
      * Create the event loop
      */
     $eventLoop = Factory::create();
     /*
      * Create our Slack client
      */
     $client = new SlackRTMClient($eventLoop);
     $client->setToken(getenv('BOT_TOKEN'));
     /*
      * Setup command bindings
      */
     $commandBindings = ['help' => HelpCommand::class, 'setoption' => SetOptionCommand::class, 'new' => NewCommand::class, 'join' => JoinCommand::class, 'leave' => LeaveCommand::class, 'start' => StartCommand::class, 'end' => EndCommand::class, 'see' => SeeCommand::class, 'vote' => VoteCommand::class, 'kill' => KillCommand::class, 'guard' => GuardCommand::class];
     /*
      * Create the game manager
      */
     $gameManager = new GameManager($client, $commandBindings);
     /*
      * Route incoming Slack messages
      */
     $client->on('message', function ($data) use($client, $gameManager) {
         $message = new Message($data);
         if ($message->getSubType() == 'channel_join') {
             $client->refreshChannel($message->getChannel());
         } else {
             if ($message->getSubType() == 'channel_leave') {
                 $client->refreshChannel($message->getChannel());
             } else {
                 $gameManager->input($message);
             }
         }
     });
     /*
      * Connect to Slack
      */
     echo "Connecting...\r\n";
     $client->connect()->then(function () {
         echo "Connected.\n";
     }, function (ConnectionException $e) {
         echo $e->getMessage();
         exit;
     });
     /*
      * Start the event loop
      */
     $eventLoop->run();
 }