I've also picked the best of things that make developers go "wait. Do that again?" and shared it here. There's commandline PHP, for scripts, the built-in webserver, and also for writing workers that can integrate with queues. For the neglected area of security, there are some really easy ways to make sure you're "doing it right" in your application, so both the new password functionality and the filter extension are here. And I've also included a section on using PDO for accessing databases - this is used internally in most frameworks now, but there are any number of reasons why you might like to write your code yourself (performance, for one) so understanding PDO can help a lot for database-driven applications.
You can get the course directly from oreilly.com