I am currently working, without release date yet, in my Premium video online course called: Writing Effective PHP.
Writing Effective PHP
Frameworks change, good practices don't. This video course is designed to help you make effective use of Modern PHP. Contains rules to get you on the habit of writing robust, safe, and maintainable code. It's time to start taking PHP seriously! Sign up for a discount once the course gets released: effective-php.com.