PHPDaemon\Traits\EventHandlers::bind PHP Method

    public function bind($event, $cb)
    {
        if ($cb !== null) {
            $cb = CallbackWrapper::wrap($cb);
        }
        is_array($event) or $event = [$event];
        foreach ($event as $e) {
            CallbackWrapper::addToArray($this->eventHandlers[$e], $cb);
        }
        return $this;
    }