下面的代码可以单独说明如何显示某人正在使用哪个操作系统。
它的作用是嗅探您的核心操作系统模型，例如
windows nt 5.1作为我自己的模型。
然后，它将Windows nt 5.1 / i传递给Windows XP作为操作系统。
使用：
'/windows nt 5.1/i' => 'Windows XP',来自数组。
您可以说是猜测，也可以是近似值，但还是很不错。
<?php$user_agent = $_SERVER['HTTP_USER_AGENT'];function getOS() { global $user_agent; $os_platform = "Unknown OS Platform"; $os_array = array( '/windows nt 10/i' => 'Windows 10', '/windows nt 6.3/i' => 'Windows 8.1', '/windows nt 6.2/i' => 'Windows 8', '/windows nt 6.1/i' => 'Windows 7', '/windows nt 6.0/i' => 'Windows Vista', '/windows nt 5.2/i' => 'Windows Server 2003/XP x64', '/windows nt 5.1/i' => 'Windows XP', '/windows xp/i' => 'Windows XP', '/windows nt 5.0/i' => 'Windows 2000', '/windows me/i' => 'Windows ME', '/win98/i' => 'Windows 98', '/win95/i' => 'Windows 95', '/win16/i' => 'Windows 3.11', '/macintosh|mac os x/i' => 'Mac OS X', '/mac_powerpc/i' => 'Mac OS 9', '/linux/i' => 'Linux', '/ubuntu/i' => 'Ubuntu', '/iphone/i' => 'iPhone', '/ipod/i' => 'iPod', '/ipad/i' => 'iPad', '/android/i' => 'Android', '/blackberry/i' => 'BlackBerry', '/webos/i' => 'Mobile' ); foreach ($os_array as $regex => $value) if (preg_match($regex, $user_agent)) $os_platform = $value; return $os_platform;}function getBrowser() { global $user_agent; $browser = "Unknown Browser"; $browser_array = array( '/msie/i' => 'Internet Explorer', '/firefox/i' => 'Firefox', '/safari/i' => 'Safari', '/chrome/i' => 'Chrome', '/edge/i' => 'Edge', '/opera/i' => 'Opera', '/netscape/i' => 'Netscape', '/maxthon/i' => 'Maxthon', '/konqueror/i' => 'Konqueror', '/mobile/i' => 'Handheld Browser' ); foreach ($browser_array as $regex => $value) if (preg_match($regex, $user_agent)) $browser = $value; return $browser;}$user_os = getOS();$user_browser = getBrowser();$device_details = "<strong>Browser: </strong>".$user_browser."<br /><strong>Operating System: </strong>".$user_os."";print_r($device_details);echo("<br /><br /><br />".$_SERVER['HTTP_USER_AGENT']."");?>附加代码：
function operating_system_detection(){ if ( isset( $_SERVER ) ) { $agent = $_SERVER['HTTP_USER_AGENT']; } else { global $HTTP_SERVER_VARS; if ( isset( $HTTP_SERVER_VARS ) ) { $agent = $HTTP_SERVER_VARS['HTTP_USER_AGENT']; } else { global $HTTP_USER_AGENT; $agent = $HTTP_USER_AGENT; } } $ros[] = array('Windows XP', 'Windows XP'); $ros[] = array('Windows NT 5.1|Windows NT5.1)', 'Windows XP'); $ros[] = array('Windows 2000', 'Windows 2000'); $ros[] = array('Windows NT 5.0', 'Windows 2000'); $ros[] = array('Windows NT 4.0|WinNT4.0', 'Windows NT'); $ros[] = array('Windows NT 5.2', 'Windows Server 2003'); $ros[] = array('Windows NT 6.0', 'Windows Vista'); $ros[] = array('Windows NT 7.0', 'Windows 7'); $ros[] = array('Windows CE', 'Windows CE'); $ros[] = array('(media center pc).([0-9]{1,2}.[0-9]{1,2})', 'Windows Media Center'); $ros[] = array('(win)([0-9]{1,2}.[0-9x]{1,2})', 'Windows'); $ros[] = array('(win)([0-9]{2})', 'Windows'); $ros[] = array('(windows)([0-9x]{2})', 'Windows'); // Doesn't seem like these are necessary...not totally sure though.. //$ros[] = array('(winnt)([0-9]{1,2}.[0-9]{1,2}){0,1}', 'Windows NT'); //$ros[] = array('(windows nt)(([0-9]{1,2}.[0-9]{1,2}){0,1})', 'Windows NT'); // fix by bg $ros[] = array('Windows ME', 'Windows ME'); $ros[] = array('Win 9x 4.90', 'Windows ME'); $ros[] = array('Windows 98|Win98', 'Windows 98'); $ros[] = array('Windows 95', 'Windows 95'); $ros[] = array('(windows)([0-9]{1,2}.[0-9]{1,2})', 'Windows'); $ros[] = array('win32', 'Windows'); $ros[] = array('(java)([0-9]{1,2}.[0-9]{1,2}.[0-9]{1,2})', 'Java'); $ros[] = array('(Solaris)([0-9]{1,2}.[0-9x]{1,2}){0,1}', 'Solaris'); $ros[] = array('dos x86', 'DOS'); $ros[] = array('unix', 'Unix'); $ros[] = array('Mac OS X', 'Mac OS X'); $ros[] = array('Mac_PowerPC', 'Macintosh PowerPC'); $ros[] = array('(mac|Macintosh)', 'Mac OS'); $ros[] = array('(sunos)([0-9]{1,2}.[0-9]{1,2}){0,1}', 'SunOS'); $ros[] = array('(beos)([0-9]{1,2}.[0-9]{1,2}){0,1}', 'BeOS'); $ros[] = array('(risc os)([0-9]{1,2}.[0-9]{1,2})', 'RISC OS'); $ros[] = array('os/2', 'OS/2'); $ros[] = array('freebsd', 'FreeBSD'); $ros[] = array('openbsd', 'OpenBSD'); $ros[] = array('netbsd', 'NetBSD'); $ros[] = array('irix', 'IRIX'); $ros[] = array('plan9', 'Plan9'); $ros[] = array('osf', 'OSF'); $ros[] = array('aix', 'AIX'); $ros[] = array('GNU Hurd', 'GNU Hurd'); $ros[] = array('(fedora)', 'Linux - Fedora'); $ros[] = array('(kubuntu)', 'Linux - Kubuntu'); $ros[] = array('(ubuntu)', 'Linux - Ubuntu'); $ros[] = array('(debian)', 'Linux - Debian'); $ros[] = array('(CentOS)', 'Linux - CentOS'); $ros[] = array('(Mandriva).([0-9]{1,3}(.[0-9]{1,3})?(.[0-9]{1,3})?)', 'Linux - Mandriva'); $ros[] = array('(SUSE).([0-9]{1,3}(.[0-9]{1,3})?(.[0-9]{1,3})?)', 'Linux - SUSE'); $ros[] = array('(Dropline)', 'Linux - Slackware (Dropline GNOME)'); $ros[] = array('(ASPLinux)', 'Linux - ASPLinux'); $ros[] = array('(Red Hat)', 'Linux - Red Hat'); // Loads of Linux machines will be detected as unix. // Actually, all of the linux machines I've checked have the 'X11' in the User Agent. //$ros[] = array('X11', 'Unix'); $ros[] = array('(linux)', 'Linux'); $ros[] = array('(amigaos)([0-9]{1,2}.[0-9]{1,2})', 'AmigaOS'); $ros[] = array('amiga-aweb', 'AmigaOS'); $ros[] = array('amiga', 'Amiga'); $ros[] = array('AvantGo', 'PalmOS'); //$ros[] = array('(Linux)([0-9]{1,2}.[0-9]{1,2}.[0-9]{1,3}(rel.[0-9]{1,2}){0,1}-([0-9]{1,2}) i([0-9]{1})86){1}', 'Linux'); //$ros[] = array('(Linux)([0-9]{1,2}.[0-9]{1,2}.[0-9]{1,3}(rel.[0-9]{1,2}){0,1} i([0-9]{1}86)){1}', 'Linux'); //$ros[] = array('(Linux)([0-9]{1,2}.[0-9]{1,2}.[0-9]{1,3}(rel.[0-9]{1,2}){0,1})', 'Linux'); $ros[] = array('[0-9]{1,2}.[0-9]{1,2}.[0-9]{1,3})', 'Linux'); $ros[] = array('(webtv)/([0-9]{1,2}.[0-9]{1,2})', 'WebTV'); $ros[] = array('Dreamcast', 'Dreamcast OS'); $ros[] = array('GetRight', 'Windows'); $ros[] = array('go!zilla', 'Windows'); $ros[] = array('gozilla', 'Windows'); $ros[] = array('gulliver', 'Windows'); $ros[] = array('ia archiver', 'Windows'); $ros[] = array('NetPositive', 'Windows'); $ros[] = array('mass downloader', 'Windows'); $ros[] = array('microsoft', 'Windows'); $ros[] = array('offline explorer', 'Windows'); $ros[] = array('teleport', 'Windows'); $ros[] = array('web downloader', 'Windows'); $ros[] = array('webcapture', 'Windows'); $ros[] = array('webcollage', 'Windows'); $ros[] = array('webcopier', 'Windows'); $ros[] = array('webstripper', 'Windows'); $ros[] = array('webzip', 'Windows'); $ros[] = array('wget', 'Windows'); $ros[] = array('Java', 'Unknown'); $ros[] = array('flashget', 'Windows'); // delete next line if the script show not the right OS //$ros[] = array('(PHP)/([0-9]{1,2}.[0-9]{1,2})', 'PHP'); $ros[] = array('MS FrontPage', 'Windows'); $ros[] = array('(msproxy)/([0-9]{1,2}.[0-9]{1,2})', 'Windows'); $ros[] = array('(msie)([0-9]{1,2}.[0-9]{1,2})', 'Windows'); $ros[] = array('libwww-perl', 'Unix'); $ros[] = array('UP.Browser', 'Windows CE'); $ros[] = array('NetAnts', 'Windows'); $file = count ( $ros ); $os = ''; for ( $n=0 ; $n<$file ; $n++ ){ if ( preg_match('/'.$ros[$n][0].'/i' , $agent, $name)){ $os = @$ros[$n][1].' '.@$name[2]; break; } } return trim ( $os );}编辑：2015年4月12日
昨天我注意到一个问题，该问题可能与此次问答有关，并且可能对某些问题有所帮助。关于：
Mozilla/5.0 (Linux; Android 4.4.2; SAMSUNG-GT-I9505 Build/KOT49H)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.96 MobileSafari/537.36
