PHP class to obtain client information-PHP Tutorial-php.cn

PHP class to obtain client information

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Release： 2016-07-25 08:56:07

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/**
* Classes for obtaining visitor information: language, browser, operating system, IP, geographical location, ISP.
* Date: 2013/10/11
* Editor: bbs.it-home.org
* Use:
$obj = new class_guest_info;
$obj->GetLang(); //Get guest language: Simplified Chinese, Traditional Chinese, English.
$obj->GetBrowser(); //Get the visitor's browser: MSIE, Firefox, Chrome, Safari, Opera, Other.
$obj->GetOS(); //Get the guest operating system: Windows, MAC, Linux, Unix, BSD, Other.
$obj->GetIP(); //Get the visitor IP address.
$obj->GetAdd(); //Get the visitor's geographical location and use Baidu hidden interface.
$obj->GetIsp(); //Get the guest ISP, use Baidu hidden interface.
*/
class class_guest_info{
function GetLang() {
$Lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 4);
// Use substr() to intercept the string, starting from 0, intercepting 4 characters
if (preg_match('/zh-c/i',$Lang)) {
//preg_match() regular expression matching function
$Lang = 'Simplified Chinese';
}
elseif (preg_match('/zh/i',$Lang)) {
$Lang = 'Traditional Chinese';
}
else {
$Lang = 'English';
}
return $Lang;
}
function GetBrowser() {
$Browser = $_SERVER['HTTP_USER_AGENT'];
if (preg_match('/MSIE/i',$Browser)) {
$Browser = 'MSIE';
}
elseif (preg_match('/Firefox/i',$Browser)) {
$Browser = 'Firefox';
}
elseif (preg_match('/Chrome/i',$Browser)) {
$Browser = ' Chrome';
}
elseif (preg_match('/Safari/i',$Browser)) {
$Browser = 'Safari';
}
elseif (preg_match('/Opera/i',$Browser)) {
$Browser = 'Opera';
}
else {
$Browser = 'Other';
}
return $Browser;
}
function GetOS() {
$OS = $_SERVER['HTTP_USER_AGENT'];
if ( preg_match('/win/i',$OS)) {
$OS = 'Windows';
}
elseif (preg_match('/mac/i',$OS)) {
$OS = 'MAC';
}
elseif (preg_match('/linux/i',$OS)) {
$OS = 'Linux';
}
elseif (preg_match('/unix/i',$OS)) {
$OS = ' Unix';
}
elseif (preg_match('/bsd/i',$OS)) {
$OS = 'BSD';
}
else {
$OS = 'Other';
}
return $OS;
}
function GetIP() {
if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
//If the variable is a non-empty or non-zero value, empty() returns FALSE.
$IP = explode(',',$_SERVER['HTTP_CLIENT_IP']);
}
elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$IP = explode(',',$_SERVER[ 'HTTP_X_FORWARDED_FOR']);
}
elseif (!empty($_SERVER['REMOTE_ADDR'])) {
$IP = explode(',',$_SERVER['REMOTE_ADDR']);
}
else {
$ IP[0] = 'None';
}
return $IP[0];
}
private function GetAddIsp() {
$IP = $this->GetIP();
$AddIsp = mb_convert_encoding(file_get_contents(' http://open.baidu.com/ipsearch/s?tn=ipjson&wd='.$IP),'UTF-8','GBK');
//mb_convert_encoding() Convert character encoding.
if (preg_match('/noresult/i',$AddIsp)) {
$AddIsp = 'None';
}
else {
$Sta = stripos($AddIsp,$IP) + strlen($IP) + strlen ('from');
$Len = stripos($AddIsp,'"}')-$Sta;
$AddIsp = substr($AddIsp,$Sta,$Len);
}
$AddIsp = explode(' ' ,$AddIsp);
return $AddIsp;
}
function GetAdd() {
$Add = $this->GetAddIsp();
return $Add[0];
}
function GetIsp() {
$Isp = $this->GetAddIsp();
if ($Isp[0] != 'None' && isset($Isp[1])) {
$Isp = $Isp[1];
}
else {
$Isp = 'None';
}
return $Isp;
}
}
?>

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