How to use php to obtain visitor IP and regional location information, as well as share examples of browser and source page

黄舟
Release: 2023-03-14 14:30:01
Original
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How to use php to obtain visitor IP and regional location information and share examples of browser and source pages

<?php
//这个类似用来获取访客信息的
//方便统计
class visitorInfo
{
    //获取访客ip
    public function getIp()
    {
        $ip=false;
        if(!empty($_SERVER["HTTP_CLIENT_IP"])){
            $ip = $_SERVER["HTTP_CLIENT_IP"];
        }
        if (!empty($_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;)) //ie11判断
            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(){
        return $_SERVER[&#39;HTTP_REFERER&#39;];
    }
 
}
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