Nette\Caching\Storages\SQLiteStorage::bulkRead PHP Method

    public function bulkRead(array $keys)
    {
        $stmt = $this->pdo->prepare('SELECT key, data, slide FROM cache WHERE key IN (?' . str_repeat(',?', count($keys) - 1) . ') AND (expire IS NULL OR expire >= ?)');
        $stmt->execute(array_merge($keys, [time()]));
        $result = [];
        $updateSlide = [];
        foreach ($stmt->fetchAll(\PDO::FETCH_ASSOC) as $row) {
            if ($row['slide'] !== NULL) {
                $updateSlide[] = $row['key'];
            }
            $result[$row['key']] = unserialize($row['data']);
        }
        if (!empty($updateSlide)) {
            $stmt = $this->pdo->prepare('UPDATE cache SET expire = ? + slide WHERE key IN(?' . str_repeat(',?', count($updateSlide) - 1) . ')');
            $stmt->execute(array_merge([time()], $updateSlide));
        }
        return $result;
    }