php how to get OS Name from url or ip ?

Hello Everyone!
i hope all is ok!
I need helps i am new in php and i am working on make my site and i need some function example i want show OS name from URL or IP. if anyone know about this i shall be very thankful to you!
with best regards
exampe: screenshot => http://prntscr.com/7s9w8t
online demo! => http://toolbar.netcraft.com/site_report?url=https://facebook.com

I don’t know why you would want to advertise your operating system, but the information is held in the server global array under SERVER_SOFTWARE.

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