Kraken\Filesystem\FilesystemManager::copyFile PHP Метод

    public function copyFile($source, $destination)
    {
        list($sourcePrefix, $sourcePath) = $this->filterPrefix($source);
        list($destPrefix, $destPath) = $this->filterPrefix($destination);
        if (($sourceFs = $this->getFilesystem($sourcePrefix)) === null || ($destFs = $this->getFilesystem($destPrefix)) === null) {
            throw new WriteException("No filesystem saved under prefix [{$sourcePrefix}].");
        }
        if (!$sourceFs->exists($sourcePath) || !$sourceFs->isFile($sourcePath) || $destFs->exists($destPath)) {
            throw new WriteException("Could not copy {$source}.");
        }
        $destFs->createFile($destPath, $sourceFs->read($sourcePath));
    }