{
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(ereg('Mozilla', Agent) && !ereg('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(ereg('Mozilla', Agent) && ereg('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(ereg('Mozilla', Agent) && ereg('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 (eregi('win', agent) && strpos(agent, '95')){
os = 'Windows 95';
}
else if (eregi('win 9x', agent) && strpos(agent, '4.90')){
os = 'Windows ME';
}
else if (eregi('win', agent) && ereg('98', agent)){
os = 'Windows 98';
}
else if (eregi('win', agent) && eregi('nt 5.1', agent)){
os = 'Windows XP';
}
else if (eregi('win', agent) && eregi('nt 5', agent)){
os = 'Windows 2000';
}
else if (eregi('win', agent) && eregi('nt', agent)){
os = 'Windows NT';
}
else if (eregi('win', agent) && ereg('32', agent)){
os = 'Windows 32';
}
else if (eregi('linux', agent)){
os = 'Linux';
}
else if (eregi('unix', agent)){
os = 'Unix';
}
else if (eregi('sun', agent) && eregi('os', agent)){
os = 'SunOS';
}
else if (eregi('ibm', agent) && eregi('os', agent)){
os = 'IBM OS/2';
}
else if (eregi('Mac', agent) && eregi('PC', agent)){
os = 'Macintosh';
}
else if (eregi('PowerPC', agent)){
os = 'PowerPC';
}
else if (eregi('AIX', agent)){
os = 'AIX';
}
else if (eregi('HPUX', agent)){
os = 'HPUX';
}
else if (eregi('NetBSD', agent)){
os = 'NetBSD';
}
else if (eregi('BSD', agent)){
os = 'BSD';
}
else if (ereg('OSF1', agent)){
os = 'OSF1';
}
else if (ereg('IRIX', agent)){
os = 'IRIX';
}
else if (eregi('FreeBSD', agent)){
os = 'FreeBSD';
}
else if (eregi('teleport', agent)){
os = 'teleport';
}
else if (eregi('flashget', agent)){
os = 'flashget';
}
else if (eregi('webzip', agent)){
os = 'webzip';
}
else if (eregi('offline', agent)){
os = 'offline';
}
else {
os = 'Unknown';
}
return os;
}

}?>

使用方法:

1.将以上框内代码另存为getinfo.php

2.在需要地页面引入getinfo.php


3. 使用之前定义的类
code = new clientGetObj;
str1 = code->getBrowse();//浏览器：
str2 = code->getIP();//IP地址：
str3 = code->getOS();//操作系统：
echo "目标浏览器:".str1." OS:".str3." IP:".str2;
?>