Predis\Cluster\PredisStrategy::checkSameSlotForKeys PHP Метод

    protected function checkSameSlotForKeys(array $keys)
    {
        if (!($count = count($keys))) {
            return false;
        }
        $currentKey = $this->extractKeyTag($keys[0]);
        for ($i = 1; $i < $count; ++$i) {
            $nextKey = $this->extractKeyTag($keys[$i]);
            if ($currentKey !== $nextKey) {
                return false;
            }
            $currentKey = $nextKey;
        }
        return true;
    }