# Dave Liddament

> Dave Liddament is a software engineer, international conference speaker, and open source author. He is the owner and director of [Lamp Bristol](https://www.lampbristol.com), a software consultancy that builds and maintains long-lived software for start-ups and businesses. Dave specialises in PHP, static analysis, automated testing, and code quality — helping teams keep large codebases safe to change over many years.

## Key pages

- [Home](https://www.daveliddament.co.uk/): Overview of who Dave Liddament is and what he works on.
- [Talks](https://www.daveliddament.co.uk/talks/): Conference talks and workshops on PHP, static analysis, testing and code quality.
- [Speaking diary](https://www.daveliddament.co.uk/talks/diary/): Every conference and user group Dave has spoken at.
- [Articles](https://www.daveliddament.co.uk/articles/): Articles on PHP, static analysis, testing and maintainability.
- [Videos](https://www.daveliddament.co.uk/videos/): Interviews with PHP community figures, git tips and tricks, and recorded conference and meetup talks.
- [Open Source Projects](https://www.daveliddament.co.uk/open-source/): Overview of Dave's open source projects.
- [SARB](https://www.daveliddament.co.uk/open-source/sarb/): Static Analysis Results Baseliner — adopt static analysis on an existing PHP codebase without fixing every pre-existing issue first.
- [PHP Language Extensions](https://www.daveliddament.co.uk/open-source/php-language-extensions/): A library that adds compile-time-style guarantees to PHP, enforced by static analysis.

## Open source projects

- [SARB (Static Analysis Results Baseliner)](https://github.com/DaveLiddament/sarb): Lets you introduce static analysis tools such as PHPStan and Psalm to a legacy PHP project by baselining existing issues so the build only fails on new ones.
- [PHP Language Extensions](https://github.com/DaveLiddament/php-language-extensions): A library that adds compile-time-style guarantees (for example package-level visibility) to PHP, enforced by static analysis.

## Contact and profiles

- Website: https://www.daveliddament.co.uk
- Lamp Bristol: https://www.lampbristol.com
- GitHub: https://github.com/DaveLiddament
- Mastodon: https://phpc.social/@DaveLiddament
- LinkedIn: https://www.linkedin.com/in/daveliddament/