The framework has been successfully tested using PHP 7.1, PHP 7.2 and nightly with all algorithms.
Tests vectors from the RFC 7520 are fully implemented and all tests pass. Other test vector sources may be used (e.g. new algorithm specifications).
We also track bugs and code quality using Scrutinizer-CI and Sensio Insight.
Coding Standards are verified by StyleCI.
Code coverage is analyzed by Coveralls.io.