Programming Knowledge, with more than 8.63 lakh subscribers, is one of the most popular YouTube Channels to learn PHP from. It has a good collection of videos on different concepts for learning ...

You'll then learn about potential backward compatible breaks and discover best practices for improving performance. The last chapter of the book gives you insights into PHP async, a revolutionary new ...

If you want the raw way, learn how the HTTP protocol works (RFC 2616), HTML (w3.org) and how PHP fits into that. Surprisingly (or not), the PHP manual doesn't teach you the missing piece.

Familiarize yourself with definitions of typical programming paradigms such as imperative, asynchronous, functional, parallel, and reactive programming. Get introduced to Observables, observers, ...