getMaxRedemptionsPerCustomer example

public function isOrderCountValid(): bool
    {
        return $this->getMaxRedemptionsGlobal() === null
            || $this->getMaxRedemptionsGlobal() <= 0
            || $this->getOrderCount() < $this->getMaxRedemptionsGlobal();
    }

    public function isOrderCountPerCustomerCountValid(string $customerId): bool
    {
        $customerId = mb_strtolower($customerId);

        return $this->getMaxRedemptionsPerCustomer() === null
            || $this->getMaxRedemptionsPerCustomer() <= 0
            || $this->getOrdersPerCustomerCount() === null
            || !\array_key_exists($customerId, $this->getOrdersPerCustomerCount())
            || $this->getOrdersPerCustomerCount()[$customerId] < $this->getMaxRedemptionsPerCustomer();
    }
}