PHP判断浏览器、判断语言代码分享

//判断类型  
<?php
if(strpos($_SERVER["HTTP_USER_AGENT"],"MSIE 8.0")) 
echo "Internet Explorer 8.0"; 
else if(strpos($_SERVER["HTTP_USER_AGENT"],"MSIE 7.0")) 
echo "Internet Explorer 7.0"; 
else if(strpos($_SERVER["HTTP_USER_AGENT"],"MSIE 6.0")) 
echo "Internet Explorer 6.0"; 
else if(strpos($_SERVER["HTTP_USER_AGENT"],"Firefox/3")) 
echo "Firefox 3"; 
else if(strpos($_SERVER["HTTP_USER_AGENT"],"Firefox/2")) 
echo "Firefox 2"; 
else if(strpos($_SERVER["HTTP_USER_AGENT"],"Chrome")) 
echo "Google Chrome"; 
else if(strpos($_SERVER["HTTP_USER_AGENT"],"Safari")) 
echo "Safari"; 
else if(strpos($_SERVER["HTTP_USER_AGENT"],"Opera")) 
echo "Opera"; 
else echo $_SERVER["HTTP_USER_AGENT"]; 
?>

<?php
$lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'],4); //只取前4位,这样只判断最优先的语言.如果取前5位,可能出现en,zh的情况,影响判断. 
if (preg_match("/zh-c/i",$lang)) 
echo "简体中文"; 
else if (preg_match("/zh/i",$lang)) 
echo "繁w中文"; 
else if (preg_match("/en/i",$lang)) 
echo "English"; 
else if (preg_match("/fr/i",$lang)) 
echo "French"; 
else if (preg_match("/de/i",$lang)) 
echo "German"; 
else if (preg_match("/jp/i",$lang)) 
echo "Japanese"; 
else if (preg_match("/ko/i",$lang)) 
echo "Korean"; 
else if (preg_match("/es/i",$lang)) 
echo "Spanish"; 
else if (preg_match("/sv/i",$lang)) 
echo "Swedish"; 
else echo $_SERVER["HTTP_ACCEPT_LANGUAGE"]; 
?>

<?php
error_reporting(E_ALL & ~ E_NOTICE);
class clientGetObj  
{  
function getBrowse()  
{  
global $_SERVER;  
$Agent = $_SERVER['HTTP_USER_AGENT'];  
$browser = '';  
$browserver = '';  
$Browser = array('Lynx','MOSAIC','AOL','Opera','JAVA','MacWeb','WebExplorer','OmniWeb');  
for($i = 0; $i <= 7; $i ++){  
if(strpos($Agent,$Browsers[$i])){  
$browser = $Browsers[$i];  
$browserver = '';  
}  
}  
if(preg_match('/Mozilla/',$Agent) && !preg_match('/MSIE/',$Agent)){  
$temp = explode('(',$Agent);  
$Part = $temp[0];  
$temp = explode('/',$Part);  
$browserver = $temp[1];  
$temp = explode(' ',$browserver);  
$browserver = $temp[0];  
$browserver = preg_replace('/([d.]+)/','1',$browserver);  
$browserver = $browserver;  
$browser = 'Netscape Navigator';  
}  
if(preg_match('/Mozilla/',$Agent) && preg_match('/Opera/',$Agent)) {  
$temp = explode('(',$Agent);  
$Part = $temp[1];  
$temp = explode(')',$browserver);  
$browserver = $temp[2];  
$browserver = preg_replace('/([d.]+)/',$browserver);  
$browserver = $browserver;  
$browser = 'Opera';  
}  
if(preg_match('/Mozilla/',$Agent) && preg_match('/MSIE/',$Agent);  
$Part = $temp[1];  
$temp = explode(';',$Part);  
$Part = $temp[1];  
$temp = explode(' ',$Part);  
$browserver = $temp[2];  
$browserver = preg_replace('/([d.]+)/',$browserver);  
$browserver = $browserver;  
$browser = 'Internet Explorer';  
}  
if($browser != ''){  
$browseinfo = $browser.' '.$browserver;  
} else { 
$browseinfo = false;  
}  
return $browseinfo;  
}  
  
function getIP ()  
{  
global $_SERVER;  
if (getenv('HTTP_CLIENT_IP')) {  
$ip = getenv('HTTP_CLIENT_IP');  
} else if (getenv('HTTP_X_FORWARDED_FOR')) {  
$ip = getenv('HTTP_X_FORWARDED_FOR');  
} else if (getenv('REMOTE_ADDR')) {  
$ip = getenv('REMOTE_ADDR');  
} else {  
$ip = $_SERVER['REMOTE_ADDR'];  
}  
return $ip;  
}  
  
function getOS ()  
{  
global $_SERVER;  
$agent = $_SERVER['HTTP_USER_AGENT'];  
$os = false;  
if (preg_match('/win/',$agent) && strpos($agent,'95')){  
$os = 'Windows 95';  
}  
else if (preg_match('/win 9x/','4.90')){  
$os = 'Windows ME';  
}  
else if (preg_match('/win/',$agent) && preg_match('98',$agent)){  
$os = 'Windows 98';  
}  
else if (preg_match('/win/',$agent) && preg_match('nt 5.1',$agent)){  
$os = 'Windows XP';  
}  
else if (preg_match('/win/',$agent) && preg_match('nt 5',$agent)){  
$os = 'Windows 2000';  
}  
else if (preg_match('/win/',$agent) && preg_match('nt',$agent)){  
$os = 'Windows NT';  
}  
else if (preg_match('/win/',$agent) && preg_match('32',$agent)){  
$os = 'Windows 32';  
}  
else if (preg_match('/linux/',$agent)){  
$os = 'Linux';  
}  
else if (preg_match('/unix/',$agent)){  
$os = 'Unix';  
}  
else if (preg_match('/sun/',$agent) && preg_match('os',$agent)){  
$os = 'SunOS';  
}  
else if (preg_match('/ibm/',$agent)){  
$os = 'IBM OS/2';  
}  
else if (preg_match('/Mac/',$agent) && preg_match('PC',$agent)){  
$os = 'Macintosh';  
}  
else if (preg_match('/PowerPC/',$agent)){  
$os = 'PowerPC';  
}  
else if (preg_match('/AIX/',$agent)){  
$os = 'AIX';  
}  
else if (preg_match('/HPUX/',$agent)){  
$os = 'HPUX';  
}  
else if (preg_match('/NetBSD/',$agent)){  
$os = 'NetBSD';  
}  
else if (preg_match('/BSD/',$agent)){  
$os = 'BSD';  
}  
else if (preg_match('/OSF1/',$agent)){  
$os = 'OSF1';  
}  
else if (preg_match('/IRIX/',$agent)){  
$os = 'IRIX';  
}  
else if (preg_match('/FreeBSD/',$agent)){  
$os = 'FreeBSD';  
}  
else if (preg_match('/teleport/',$agent)){  
$os = 'teleport';  
}  
else if (preg_match('/flashget/',$agent)){  
$os = 'flashget';  
}  
else if (preg_match('/webzip/',$agent)){  
$os = 'webzip';  
}  
else if (preg_match('/offline/',$agent)){  
$os = 'offline';  
}  
else {  
$os = 'Unknown';  
}  
return $os;  
}  
}
$code = new clientGetObj;  
echo $str1 = $code->getBrowse()."<br>";//浏览器：  
echo $str2 = $code->getIP()."<br>";//IP地址：  
echo $str3 = $code->getOS();//操作系统：  
?>