How to check if the web page is visited by a phone browser or a PC browser?

Question

How to check if a web page has been opened by a mobile browser or a computer browser. I tried this :

name = request.getHeader(\"User-Agent\");

Answer 1

Like Mikko wrote, no simple ways to detect mobile.

But you can try: http://code.google.com/p/php-mobile-detect/

And something like previous answer: http://detectmobilebrowsers.com/