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Homephp教程php手册PHP获取IP地址输出为数组程序代码

在php中获取IP地址的方法有很多种,下面我介绍利用linux命令获取IP地址然后转换成数组输出,下面也介绍了一些常用关于php ip地址处理实例.

PHP获取服务器IP地址,用PHP执行ifconfig获得Linux服务器IP并输出为数组,下面是代码:

<?php
function getServerIp() { //用ifconfig读取服务器IP并输出为数组
    $ss = exec(&#39;/sbin/ifconfig | sed -n &#39;s / ^ * . *addr:
        ([0 - 9.] {
            7,
        }) . *$ / 1 / p&#39;&#39;, $arr);
        return $arr;
    }
    $ips = getServerIp();
    foreach ($ips as $k => $v) { //过滤IP
        if (substr($v, 0, 3) == &#39;127&#39; || substr($v, 0, 3) == &#39;10.&#39; || substr($v, 0, 7) == &#39;192.168&#39; || substr($v, 0, 6) == &#39;172.16&#39;) {
            unset($ips[$k]);
        }
    }
    shuffle($ips); //重新排序
    print_r($ips);
?>

一些php获取ip地址例,代码如下:

<?php
    function GetIP() {
        if (!emptyempty($_SERVER["HTTP_CLIENT_IP"])) {
            $cip = $_SERVER["HTTP_CLIENT_IP"];
        } elseif (!emptyempty($_SERVER["HTTP_X_FORWARDED_FOR"])) {
            $cip = $_SERVER["HTTP_X_FORWARDED_FOR"];
        } elseif (!emptyempty($_SERVER["REMOTE_ADDR"])) {
            $cip = $_SERVER["REMOTE_ADDR"];
        } else {
            $cip = "无法获取!";
        }
        return $cip;
    }
    echo GetIP();
?> 	

我这里有一个比较公用的方法来获取用户ip地址,代码如下:

<?php     function get_user_ip() {
        if (isset($_SERVER[&#39;HTTP_CLIENT_IP&#39;]) && $_SERVER[&#39;HTTP_CLIENT_IP&#39;] != &#39;unknown&#39;) {
            $ip = $_SERVER[&#39;HTTP_CLIENT_IP&#39;];
        } elseif (isset($_SERVER[&#39;HTTP_X_FORWARDED_FOR&#39;]) && $_SERVER[&#39;HTTP_X_FORWARDED_FOR&#39;] != &#39;unknown&#39;) {
            $ip = $_SERVER[&#39;HTTP_X_FORWARDED_FOR&#39;];
        } else {
            $ip = $_SERVER[&#39;REMOTE_ADDR&#39;];
        }
        return $ip;
    }
?>

PHP获取IP所在地区(调用新浪API获取IP所在地),代码如下:

<?php     function get_location($ip) {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, "http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip=" . $ip);
        $location = curl_exec($curl);
        $location = json_decode($location);
        if ($location === FALSE) return "";
        return emptyempty($location->desc) ? $location->province . $location->city . $location->district . $location->isp : $location->desc;
    }
?>

               
               

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