Home > Backend Development > PHP Tutorial > Example analysis of how to obtain visitor information using PHP

Example analysis of how to obtain visitor information using PHP

黄舟
Release: 2023-03-16 09:30:01
Original
3390 people have browsed it

Instance analysis of php implementation of obtaining visitor information

<?php  
header(&#39;Content-Type: text/html; charset=utf-8&#39;);  
  
//获取访客的信息  
class visitorInfo  
{  
    //获取访客ip  
    public function getIp()  
    {  
        $ip=false;  
        if(!emptyempty($_SERVER["HTTP_CLIENT_IP"])){  
            $ip = $_SERVER["HTTP_CLIENT_IP"];  
        }  
        if (!emptyempty($_SERVER[&#39;HTTP_X_FORWARDED_FOR&#39;])) {  
            $ips = explode (", ", $_SERVER[&#39;HTTP_X_FORWARDED_FOR&#39;]);  
            if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }  
            for ($i = 0; $i < count($ips); $i++) {  
                if (!eregi ("^(10│172.16│192.168).", $ips[$i])) {  
                    $ip = $ips[$i];  
                    break;  
                }  
            }  
        }  
        return ($ip ? $ip : $_SERVER[&#39;REMOTE_ADDR&#39;]);  
    }  
   
    //根据ip获取城市、网络运营商等信息  
    public function findCityByIp($ip){  
        $data = file_get_contents(&#39;http://ip.taobao.com/service/getIpInfo.php?ip=&#39;.$ip);  
        return json_decode($data,$assoc=true);  
    }  
   
   //获取用户浏览器类型  
    public function getBrowser(){  
        $agent=$_SERVER["HTTP_USER_AGENT"];  
        if(strpos($agent,&#39;MSIE&#39;)!==false || strpos($agent,&#39;rv:11.0&#39;))  
            return "ie";  
        else if(strpos($agent,&#39;Firefox&#39;)!==false)  
            return "firefox";  
        else if(strpos($agent,&#39;Chrome&#39;)!==false)  
            return "chrome";  
        else if(strpos($agent,&#39;Opera&#39;)!==false)  
            return &#39;opera&#39;;  
        else if((strpos($agent,&#39;Chrome&#39;)==false)&&strpos($agent,&#39;Safari&#39;)!==false)  
            return &#39;safari&#39;;  
        else  
            return &#39;unknown&#39;;  
    }  
   
    //获取网站来源  
    public function getFromPage(){  
        if(isset($_SERVER[&#39;HTTP_REFERER&#39;]))  
            return $_SERVER[&#39;HTTP_REFERER&#39;];  
        else if(strpos($_SERVER[&#39;QUERY_STRING&#39;], &#39;?&#39;))  
            return &#39;http://&#39;.$_SERVER[&#39;HTTP_HOST&#39;].$_SERVER[&#39;PHP_SELF&#39;].&#39;?&#39;.$_SERVER[&#39;QUERY_STRING&#39;];  
        else  
            return &#39;http://&#39;.$_SERVER[&#39;HTTP_HOST&#39;].$_SERVER[&#39;REQUEST_URI&#39;];  
    }  
}  
  
$v = new visitorInfo();  
echo $v -> getIp(),PHP_EOL;  
var_dump($v->findCityByIp(&#39;101.201.174.210&#39;));  
echo $v->getBrowser(),PHP_EOL;  
echo $v->getFromPage(),PHP_EOL;
Copy after login

Rendering:

Example analysis of how to obtain visitor information using PHP

The above is the detailed content of Example analysis of how to obtain visitor information using PHP. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template