This is the Certificationy (a library to train on Symfony Certification) core library.
A CLI tool is available under the following repository: http://www.github.com/certificationy/certificationy-cli.
Test yourself on the web platform (soon available) on the following website: http://www.certificationy.com
You can submit PR with your own questions into the data/ directory to extends questions database.
More we will have questions, the more powerful will be this tool!