FabioRicali.it

<?php
function getOs(){
	$OSList = array(
	// Match user agent string with operating systems
	'Windows 3.11' => 'Win16',
	'Windows 95' => '(Windows 95)|(Win95)|(Windows_95)',
	'Windows 98' => '(Windows 98)|(Win98)',
	'Windows 2000' => '(Windows NT 5.0)|(Windows 2000)',
	'Windows XP' => '(Windows NT 5.1)|(Windows XP)',
	'Windows Server 2003' => '(Windows NT 5.2)',
	'Windows Vista' => '(Windows NT 6.0)',
	'Windows 7' => '(Windows NT 7.0)',
	'Windows NT 4.0' => '(Windows NT 4.0)|(WinNT4.0)|(WinNT)|(Windows NT)',
	'Windows ME' => 'Windows ME',
	'Open BSD' => 'OpenBSD',
	'Sun OS' => 'SunOS',
	'Linux' => '(Linux)|(X11)',
	'Mac OS' => '(Mac_PowerPC)|(Macintosh)',
	'QNX' => 'QNX',
	'BeOS' => 'BeOS',
	'OS/2' => 'OS/2',
	'Search Bot'=>'(nuhk)|(Googlebot)|(Yammybot)|(Openbot)|(Slurp)|(MSNBot)|(Ask Jeeves/Teoma)|(ia_archiver)'
	);
 
	// Loop through the array of user agents and matching operating systems
	foreach($OSList as $CurrOS=>$Match){
		// Find a match
		if (preg_match("/$Match/i", $_SERVER['HTTP_USER_AGENT'])){
			// We found the correct match
			break;
		}
	}
	return $CurrOS;
}
?>