Adding header value validation

[msmakouz]

Q	A
Bugfix?	✔️
Breaks BC?	❌
New feature?	❌
Issues	roadrunner-php/issues#33

Summary by CodeRabbit

• Refactor
  • Improved header value filtering to ensure only strings are processed in HTTP headers.

[coderabbitai]

Walkthrough

The recent changes revolve around refining header management in HttpWorker by filtering for string values and improving testing in HttpWorkerTest with new methods and data providers. These updates aim to enhance the reliability and specificity of HTTP header processing and testing.

Changes

File Path	Change Summary
src/.../HttpWorker.php	Modified arrayToHeaderValue to filter and process string headers only.
tests/.../HttpWorkerTest.php	Added testRespondWithProtoCodecWithHeaders and headersDataProvider to enhance header testing.

🐰✨
In the land of code where the data hops,
A little rabbit tweaked the ops.
Strings in headers, tests so fine,
Ensuring all the headers align.
Hop, hop, hop, on the digital vine! 🌿

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Recent Review Details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 2cb4e6d and c4adb0c.

Files selected for processing (1)

• src/HttpWorker.php (1 hunks)

Files skipped from review as they are similar to previous changes (1)

• src/HttpWorker.php

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[roxblnfk]

I think it doesn't cover the change. It's better to use (object)['foo' => 'bar'] instead of stdClass