PHP取得客户端信息

<?php 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(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;
$browser = @#Inte.net Explorer@#;
}
if($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 ()
{

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原文转自：http://www.ltesting.net