lilien1010 opened a new pull request #3577: URL: https://github.com/apache/apisix/pull/3577
### What this PR does / why we need it: Allow user modify http reponse with conditional `vars`. Eg: we can rewrite response code 502 to 504 with this plugin, rather than write a new plugin ideas from:  ### Pre-submission checklist: * [ ] Did you explain what problem does this PR solve? Or what new features have been added? * [ ] Have you added corresponding test cases? * [ ] Have you modified the corresponding document? * [ ] Is this PR backward compatible? **If it is not backward compatible, please discuss on the [mailing list](https://github.com/apache/apisix/tree/master#community) first** ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
