Socket_Client::failswitch PHP Method

    private function failswitch()
    {
        $n = count($this->uriList);
        if ($n > 1) {
            $i = $this->index + 1;
            if ($i >= $n) {
                $i = 0;
                $this->failround++;
            }
            $this->index = $i;
            $this->setUri($this->uriList[$i]);
        } else {
            $this->failround++;
        }
        $onFailswitch = $this->onFailswitch;
        if (is_callable($onFailswitch)) {
            call_user_func($onFailswitch, $this);
        }
    }