MatthiasMullie\Scrapbook\Adapters\Flysystem::set PHP Метод

    public function set($key, $value, $expire = 0)
    {
        // we don't really need a lock for this operation, but we need to make
        // sure it's not locked by another operation, which we could overwrite
        if (!$this->lock($key)) {
            return false;
        }
        $expire = $this->normalizeTime($expire);
        if ($expire !== 0 && $expire < time()) {
            $this->unlock($key);
            // don't waste time storing (and later comparing expiration
            // timestamp) data that is already expired; just delete it already
            return !$this->exists($key) || $this->delete($key);
        }
        $path = $this->path($key);
        $data = $this->wrap($value, $expire);
        $success = $this->filesystem->put($path, $data);
        return $success !== false && $this->unlock($key);
    }