CAN I LEARN PHP HTML ONLY AS A WEB DEVELOPER

Answer 1

also you will need to learn ruby mabe I have been told elixir also ... but the basis are php, javascript html and css

Answer 2

You will need also JavaScript, XML (some tools using it - fot example PhpUnit), JSON (Composer) and you will probably also meet YAML (because of Symphony).
But the basics are PHP, JavaScript, HTML, CSS - they all are needed even if you are not front-end developer.

Answer 3

U also have learn CSS, and JavaScript