fixed SimpleStreamResponseSender ignored defined content length

[marc-mabe]

Provide a narrative description of what you are trying to accomplish:

We are using the stream HTTP response to directly stream file content from S3 to clients.
As we are dealing with video files we are using the the Range/Content-Range headers to allow clients to download specific parts of files.

To be able to do so we use the Zend\Http\Response\Stream::setContentLength method together with fseek to define the parts of the file to send.

Where Stream::readStream is dealing with the content length it's not handled in SimpleStreamResponseSender and the stream gets send until EOF.

To fix that this PR uses stream_copy_to_stream to php://output instead of fpassthru if a content length has been defined.

• Are you fixing a bug?

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  • Detail the original, incorrect behavior.
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[weierophinney]

This repository has been closed and moved to laminas/laminas-mvc; a new issue has been opened at laminas/laminas-mvc#2.

[weierophinney]

This repository has been moved to laminas/laminas-mvc. If you feel that this patch is still relevant, please re-open against that repository, and reference this issue. To re-open, we suggest the following workflow:

• Squash all commits in your branch (git rebase -i origin/{branch})
• Make a note of all changed files (`git diff --name-only origin/{branch}...HEAD
• Run the laminas/laminas-migration tool on the code.
• Clone laminas/laminas-mvc to another directory.
• Copy the files from the second bullet point to the clone of laminas/laminas-mvc.
• In your clone of laminas/laminas-mvc, commit the files, push to your fork, and open the new PR.
  We will be providing tooling via laminas/laminas-migration soon to help automate the process.