Stash\Item::getExpiration PHP Method

    public function getExpiration()
    {
        if (!isset($this->expiration)) {
            $record = $this->getRecord();
            $dateTime = new \DateTime();
            if (!isset($record['expiration'])) {
                return $dateTime;
            }
            $this->expiration = $dateTime->setTimestamp($record['expiration']);
        }
        return $this->expiration;
    }