PHPDaemon\Traits\EventHandlers::unbind PHP Method

    public function unbind($event, $cb = null)
    {
        if ($cb !== null) {
            $cb = CallbackWrapper::wrap($cb);
        }
        is_array($event) or $event = [$event];
        $success = true;
        foreach ($event as $e) {
            if (!isset($this->eventHandlers[$e])) {
                $success = false;
                continue;
            }
            if ($cb === null) {
                unset($this->eventHandlers[$e]);
                continue;
            }
            CallbackWrapper::removeFromArray($this->eventHandlers[$e], $cb);
        }
        return $this;
    }