[PHP] Fix group parameters in WithHttpInfo method

[wing328]

PR checklist

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• Ran the shell script under ./bin/ to update Petstore sample so that CIs can verify the change. (For instance, only need to run ./bin/{LANG}-petstore.sh, ./bin/openapi3/{LANG}-petstore.sh if updating the {LANG} (e.g. php, ruby, python, etc) code generator or {LANG} client's mustache templates). Windows batch files can be found in .\bin\windows\. If contributing template-only or documentation-only changes which will change sample output, be sure to build the project first.
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Description of the PR

To fix #2945

[ypereirareis]

Hi, your fix seens ok to me !
Thanks for your reactivity. 😃

Is there a binary or docker image for this PR so I can test it and give you some feedback ?

Bye.

[wing328]

Is there a binary or docker image for this PR so I can test it and give you some feedback ?

Unfortunately, pulling the branch and building the JAR locally is the only way.

[ypereirareis]

Ok I can do this easily with a docker image if you give me the process or command line and requirements to build the JAR. I can build it (build a Makefile or so) and give you my work after that so you can add it in the project for future PRs.

[wing328]

Let's have the PHP technical committee review it before merging it into master.

cc @jebentier (2017/07), @dkarlovi (2017/07), @mandrean (2017/08), @jfastnacht (2017/09), @ackintosh (2017/09) ❤️, @ybelenko (2018/07), @renepardon (2018/12)

[wing328]

@ypereirareis the fix has been merged into master. Please try it later when the docker image/JAR snapshot version is available.

[ypereirareis]

Good job !! Thanks 👍 👍 👍 👍 👍

[ypereirareis]

I tested the latest docker image, and everything is ok now. Your fix fixed my bug. Thanks !!!