public function setOrderPGroup($orderPGroup)
    {
        if (!is_array($orderPGroup)) {
            $this->orderPGroup = null;

            return false;
        }
        $isValid = true;
        $index = 0;
        while ($isValid && $index < count($orderPGroup)) {
            if (strlen($orderPGroup[$index]) > 155) {
                $isValid = false;
            } else {
                $isValid = true;
            }
            $index++;
        }
        if (!$isValid) {
            $this->orderPGroup = null;

            return false;
        }
        $this->orderPGroup = $orderPGroup;

        return true;
    }