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'], 0, 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 "繁體中文"; 
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(')', $part);  
$browserver = $temp[1];  
$temp = explode(' ', $browserver);  
$browserver = $temp[2];  
$browserver = preg_replace('/([d.]+)/', '1', $browserver);  
$browserver = $browserver;  
$browser = 'opera';  
}  
if(preg_match('/mozilla/', $agent) && preg_match('/msie/', $agent)){  
$temp = explode('(', $agent);  
$part = $temp[1];  
$temp = explode(';', $part);  
$part = $temp[1];  
$temp = explode(' ', $part);  
$browserver = $temp[2];  
$browserver = preg_replace('/([d.]+)/','1',$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/', $agent) && strpos($agent, '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) && preg_match('os', $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：  
?>