PHP Gets the operating system, IP, location, browser, ISP and other information _php class code

PHP language, browser, operating system, IP, geographical location, ISP, this PHP class has the following several methods, but also the usage description:

<?PHPclassclass_guest_info{functionGetlang () {$Lang=substr($_server[' Http_accept_language '], 0, 4); //use substr () to intercept a string, starting at 0 bits, and 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= ' 中文版 '; }        return $Lang; }    functionGetbrowser () {$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 $Browser; }    functionGetos () {$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 $OS; }    functionGetIP () {if(!emptyempty ($_server[' Http_client_ip '])) {        //If the variable is a non-null or nonzero value, empty () returns FALSE.             $IP=Explode(‘,‘,$_server[' Http_client_ip ']); }        ElseIf(!emptyempty ($_server[' Http_x_forwarded_for '])) {            $IP=Explode(‘,‘,$_server[' Http_x_forwarded_for ']); }        ElseIf(!emptyempty ($_server[' REMOTE_ADDR '])) {            $IP=Explode(‘,‘,$_server[' REMOTE_ADDR ']); }        Else {            $IP[0] = ' None '; }        return $IP[0]; }    Private functionGetaddisp () {$IP=$this-GetIP (); $ADDISP= Mb_convert_encoding (file_get_contents(' http://open.baidu.com/ipsearch/stn=ipjson&wd= '.$IP), ' UTF-8 ', ' GBK '); //mb_convert_encoding () converts the 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 $ADDISP; }    functionGetadd () {$ADD=$this-Getaddisp (); return $ADD[0]; }    functionGetisp () {$ISP=$this-Getaddisp (); if($ISP[0]! = ' None ' &&isset($ISP[1])) {            $ISP=$ISP[1]; }        Else {            $ISP= ' None '; }        return $ISP; }}?>

$obj=NewClass_guest_info;$obj->getlang ();//get the language of your visitors: Simplified Chinese, Traditional Chinese, 中文版. $obj->getbrowser ();//Get the Guest browser: MSIE, Firefox, Chrome, Safari, Opera, other. $obj->getos ();//get guest OS: Windows, MAC, Linux, Unix, BSD, other. $obj->getip ();//Gets the guest IP address. $obj->getadd ();//get the visitor's location and use Baidu to hide the interface. $obj->getisp ();//get the guest ISP and use Baidu to hide the interface. 

PHP Gets the operating system, IP, location, browser, ISP and other information _php class code