PHP判定ブラウザ、判定言語コード共有

//      
<?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); //   4 ，           。    5 ，    en,zh   ，    。 
if (preg_match("/zh-c/i", $lang)) 
echo "    "; 
else if (preg_match("/zh/i", $lang)) 
echo " w  "; 
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>";//   ：  
echo $str2 = $code->getIP()."<br>";//IP  ：  
echo $str3 = $code->getOS();//    ：  
?>