fkooman\RemoteStorage\RemoteStorageService::deleteDocument PHP 메소드

    public function deleteDocument(Request $request, TokenInfo $tokenInfo)
    {
        $path = new Path($request->getUrl()->getPathInfo());
        if ($path->getUserId() !== $tokenInfo->getUserId()) {
            throw new ForbiddenException('path does not match authorized subject');
        }
        if (!$this->hasWriteScope($tokenInfo->getScope(), $path->getModuleName())) {
            throw new ForbiddenException('path does not match authorized scope');
        }
        // need to get the version before the delete
        $documentVersion = $this->remoteStorage->getVersion($path);
        $ifMatch = $this->stripQuotes($request->getHeader('If-Match'));
        // if document does not exist, and we have If-Match header set we should
        // return a 412 instead of a 404
        if (null !== $ifMatch && !in_array($documentVersion, $ifMatch)) {
            throw new PreconditionFailedException('version mismatch');
        }
        if (null === $documentVersion) {
            throw new NotFoundException(sprintf('document "%s" not found', $path->getPath()));
        }
        $ifMatch = $this->stripQuotes($request->getHeader('If-Match'));
        if (null !== $ifMatch && !in_array($documentVersion, $ifMatch)) {
            throw new PreconditionFailedException('version mismatch');
        }
        $x = $this->remoteStorage->deleteDocument($path, $ifMatch);
        $rsr = new Response();
        $rsr->setHeader('ETag', '"' . $documentVersion . '"');
        $rsr->setBody($x);
        return $rsr;
    }