根据user-agent获取浏览器版本，操作系统

<?php
//------------------------
// 根据user-agent获取浏览器版本，操作系统
//-------------------------

class Agent
{
/**
* 获取客户端浏览器信息 添加win10 edge浏览器判断
* @param  null
* @return string
*/
public static function getBroswer()
{
$sys = $_SERVER['HTTP_USER_AGENT'];  //获取用户代理字符串
if (stripos($sys, "Firefox/") > 0) {
preg_match("/Firefox\/([^;)]+)+/i", $sys, $b);
$exp[0] = "Firefox";
$exp[1] = $b[1];  //获取火狐浏览器的版本号
} elseif (stripos($sys, "Maxthon") > 0) {
preg_match("/Maxthon\/([\d\.]+)/", $sys, $aoyou);
$exp[0] = "傲游";
$exp[1] = $aoyou[1];
} elseif (stripos($sys, "MSIE") > 0) {
preg_match("/MSIE\s+([^;)]+)+/i", $sys, $ie);
$exp[0] = "IE";
$exp[1] = $ie[1];  //获取IE的版本号
} elseif (stripos($sys, "OPR") > 0) {
preg_match("/OPR\/([\d\.]+)/", $sys, $opera);
$exp[0] = "Opera";
$exp[1] = $opera[1];
} elseif (stripos($sys, "Edge") > 0) {
//win10 Edge浏览器 添加了chrome内核标记 在判断Chrome之前匹配
preg_match("/Edge\/([\d\.]+)/", $sys, $Edge);
$exp[0] = "Edge";
$exp[1] = $Edge[1];
} elseif (stripos($sys, "Chrome") > 0) {
preg_match("/Chrome\/([\d\.]+)/", $sys, $google);
$exp[0] = "Chrome";
$exp[1] = $google[1];  //获取google chrome的版本号
} elseif (stripos($sys, 'rv:') > 0 && stripos($sys, 'Gecko') > 0) {
preg_match("/rv:([\d\.]+)/", $sys, $IE);
$exp[0] = "IE";
$exp[1] = $IE[1];
} elseif (stripos($sys, 'Safari') > 0) {
preg_match("/safari\/([^\s]+)/i", $sys, $safari);
$exp[0] = "Safari";
$exp[1] = $safari[1];
} else {
$exp[0] = "未知浏览器";
$exp[1] = "";
}
return $exp[0] . '(' . $exp[1] . ')';
}

/**
* 获取客户端操作系统信息包括win10
* @param  null
* @author  Jea杨
* @return string
*/
public static function getOs()
{
$agent = $_SERVER['HTTP_USER_AGENT'];

if (preg_match('/win/i', $agent) && strpos($agent, '95')) {
$os = 'Windows 95';
} else if (preg_match('/win 9x/i', $agent) && strpos($agent, '4.90')) {
$os = 'Windows ME';
} else if (preg_match('/win/i', $agent) && preg_match('/98/i', $agent)) {
$os = 'Windows 98';
} else if (preg_match('/win/i', $agent) && preg_match('/nt 6.0/i', $agent)) {
$os = 'Windows Vista';
} else if (preg_match('/win/i', $agent) && preg_match('/nt 6.1/i', $agent)) {
$os = 'Windows 7';
} else if (preg_match('/win/i', $agent) && preg_match('/nt 6.2/i', $agent)) {
$os = 'Windows 8';
} else if (preg_match('/win/i', $agent) && preg_match('/nt 10.0/i', $agent)) {
$os = 'Windows 10';#添加win10判断
} else if (preg_match('/win/i', $agent) && preg_match('/nt 5.1/i', $agent)) {
$os = 'Windows XP';
} else if (preg_match('/win/i', $agent) && preg_match('/nt 5/i', $agent)) {
$os = 'Windows 2000';
} else if (preg_match('/win/i', $agent) && preg_match('/nt/i', $agent)) {
$os = 'Windows NT';
} else if (preg_match('/win/i', $agent) && preg_match('/32/i', $agent)) {
$os = 'Windows 32';
} else if (preg_match('/linux/i', $agent)) {
$os = 'Linux';
} else if (preg_match('/unix/i', $agent)) {
$os = 'Unix';
} else if (preg_match('/sun/i', $agent) && pre
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g_match('/os/i', $agent)) {
$os = 'SunOS';
} else if (preg_match('/ibm/i', $agent) && preg_match('/os/i', $agent)) {
$os = 'IBM OS/2';
} else if (preg_match('/Mac/i', $agent)) {
$os = 'Mac';
} else if (preg_match('/PowerPC/i', $agent)) {
$os = 'PowerPC';
} else if (preg_match('/AIX/i', $agent)) {
$os = 'AIX';
} else if (preg_match('/HPUX/i', $agent)) {
$os = 'HPUX';
} else if (preg_match('/NetBSD/i', $agent)) {
$os = 'NetBSD';
} else if (preg_match('/BSD/i', $agent)) {
$os = 'BSD';
} else if (preg_match('/OSF1/i', $agent)) {
$os = 'OSF1';
} else if (preg_match('/IRIX/i', $agent)) {
$os = 'IRIX';
} else if (preg_match('/FreeBSD/i', $agent)) {
$os = 'FreeBSD';
} else if (preg_match('/teleport/i', $agent)) {
$os = 'teleport';
} else if (preg_match('/flashget/i', $agent)) {
$os = 'flashget';
} else if (preg_match('/webzip/i', $agent)) {
$os = 'webzip';
} else if (preg_match('/offline/i', $agent)) {
$os = 'offline';
} elseif (preg_match('/ucweb|MQQBrowser|J2ME|IUC|3GW100|LG-MMS|i60|Motorola|MAUI|m9|ME860|maui|C8500|gt|k-touch|X8|htc|GT-S5660|UNTRUSTED|SCH|tianyu|lenovo|SAMSUNG/i', $agent)) {
$os = 'mobile';
} else {
$os = '未知操作系统';
}
return $os;
}
}