Tool to check Wordpress Plugin code standard before submitting.


I have submitted a plugin but its soft rejected with some points which I need to change. I have done all the changes as per the best of my knowledge. But after resubmitting the code its again Soft Rejected.

After that I checked the code of a popluar plugin available in the CodeCanyon to get some idea about the coding standard but not found anything.

I just want to know, is their any TOOL available to check the coding standard or any paid service.

Thanks in advance.
Waiting for reply.