Some additional repos to consider:
alheim/phpdcd — This php script analyzes a file containing a class and detects the dead code (unused function). Works with private, public and static methods.
DeadlinkChecker — Code to determine if a link on the web is dead or alive
dead 1.3.1 — dead code elimination toolbox
laravel-tdd-example — Code examples from my talk "TDD is Dead, Long Live TDD"
Once a week...... I send out a list of most interesting PHP libraries and apps.
Want to get it?