This Winter school term, I got an internship position in a company that is working on online advertisements and SEO, this requires me to learn PHP and the rest of their stack (Linux, Apache/nginx, MySQL and PHP). I’m already familiar with Linux, as I have been using Ubuntu for quite some time now, but I gotta work on my PHP, SQL and Apache and understand how they all fit together. 

My first step was to find a good textbook to learn from, because IMHO, textbooks > online courses. I landed on this book because it promises to teach the latest practices and “The Right Way” to do PHP. Its also free