capture OS & browser type at sign up

Avg Bid (USD)
Project Budget (USD)
$30 - $50

Project Description:
When users sign up to my site, I would like to capture their browser type and OS type, then in the web page I have for my backend that displays users info, I would like to display a icon of the OS they signed up with next to their username.

Skills required:
Linux, MySQL, PHP
About the employer:
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