Could you elaborate, explicate, expatiate? Perhaps form your question in the form of a question? Sorry, you used some words but really didn't say anything.
You'll need "some" PHP skills if you stick with design, you'll need "strong" PHP skills if you want to be a developer. Get involved in an open source project and contribute. Nut out some bugs or inefficiencies - working through other people's mistakes is a great way to learn.
The scripting languages will help but you also should learn about database programming. That way you can understand how SQL statements tie in with dynamic results on script-generated web pages. Dynamic content is what will make your web sites useful.
JavaScript provides the ability to add interactivity to a website, and help enrich the user experience. HTML provides a page with structure and CSS provides a page with appearance, JavaScript provide a page with behavior.
it's really strange topic. Everybody knows that to build or programming websites You have to know all of those programming languages. HTML, CSS, JavaScript, PHP - most important