How to: Continuous Integration
*Libraries and applications for continuous integration.*

* [CircleCI](https://circleci.com) - A continuous integration platform.
* [GitlabCi](https://about.gitlab.com/solutions/continuous-integration/) - Let GitLab CI test, build, deploy your code. TravisCi like.
* [Jenkins](https://www.jenkins.io/) - A continuous integration platform with [PHP support](https://www.jenkins.io/solutions/php/).
* [JoliCi](https://github.com/jolicode/JoliCi) - A continuous integration client written in PHP and powered by Docker.
* [PHPCI](https://github.com/dancryer/phpci) - An open-source continuous integration platform for PHP.
* [SemaphoreCI](https://semaphore.io/) - A continuous integration platform for open-source and private projects.
* [Travis CI](https://www.travis-ci.com) - A continuous integration platform.
* [Setup PHP](https://github.com/shivammathur/setup-php) - A GitHub Action for PHP.