Infection is a Mutation Testing framework for PHP. The mutation adequacy score can be used to measure the effectiveness of a test set in terms of its ability to detect faults.
Humbug is a Mutation Testing framework for PHP. Whereas Code Coverage can tell you what code your tests are executing, Mutation Testing is intended to help you judge how well your unit tests actually perform and where they could be improved.
mutation testing tool for PHP
Mutation testing framework for PHP. Fork of 'Mutagenesis' with Composer support.