MatthiasMullie\Scrapbook\Adapters\SQL::replace PHP Метод

    public function replace($key, $value, $expire = 0)
    {
        $value = $this->serialize($value);
        $expire = $this->expire($expire);
        $this->clearExpired();
        $statement = $this->client->prepare("UPDATE {$this->table}\n            SET v = :value, e = :expire\n            WHERE k = :key");
        $statement->execute(array(':key' => $key, ':value' => $value, ':expire' => $expire));
        if ($statement->rowCount() === 1) {
            return true;
        }
        // if the value we've just replaced was the same as the replacement, as
        // well as the same expiration time, rowCount will have been 0, but the
        // operation was still a success
        $statement = $this->client->prepare("SELECT e\n            FROM {$this->table}\n            WHERE k = :key AND v = :value");
        $statement->execute(array(':key' => $key, ':value' => $value));
        return $statement->fetchColumn(0) === $expire;
    }