I considermyslefa web developer because I focus on the web site working and the content is most important, designers tend to worrymore about how it looks.

But I know many who call themselves web designers who know and learn PHP, I learned it in a web designer course.

I always think in terms of what is advantageous for people. Learning just a little PHP can give web designers an understanding of things and access to a powerful set of tools that can make their lives easier.

Agreed on the part if JavaScript is defeated then a server side validation must be in place.

However, I do not see any web designer learning PHP. PHP is usually seen on Web Developers end. May be my scope is limited or the company in which I work is not agile.