zoukankan      html  css  js  c++  java
  • 获取真实ip三个方法

    方法一:

    /**
    * 获取客户端IP地址
    *
    * @return string
    */
    function get_client_ip(){
    if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
    $ip = getenv("HTTP_CLIENT_IP");
    else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
    $ip = getenv("HTTP_X_FORWARDED_FOR");
    else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
    $ip = getenv("REMOTE_ADDR");
    else if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
    $ip = $_SERVER['REMOTE_ADDR'];
    else
    $ip = "unknown";
    return($ip);
    }

    方法二:

    function getIp()
    {
    global $ip;
    if (getenv("HTTP_CLIENT_IP"))
    $ip = getenv("HTTP_CLIENT_IP");
    else if(getenv("HTTP_X_FORWARDED_FOR"))
    $ip = getenv("HTTP_X_FORWARDED_FOR");
    else if(getenv("REMOTE_ADDR"))
    $ip = getenv("REMOTE_ADDR");
    else $ip = "Unknow";
    return $ip;

    }

    方法三:
     function get_request_ip() {
    if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
    $ip = getenv('HTTP_CLIENT_IP');
    } elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
    $ip = getenv('HTTP_X_FORWARDED_FOR');
    } elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
    $ip = getenv('REMOTE_ADDR');
    } elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
    $ip = $_SERVER['REMOTE_ADDR'];
    }
    return preg_match ( '/[d.]{7,15}/', $ip, $matches ) ? $matches [0] : '';
    }
  • 相关阅读:
    英语俚语里的gotta和gonna
    如何设置Win XP远程登录如何远程控制电脑
    C#中as与is的用法(收藏)
    just用法
    even用法
    up to用法小结
    go out with用法
    realize与recognize辨析
    go through用法
    堆优先队列
  • 原文地址:https://www.cnblogs.com/shixiuxian/p/9931380.html
Copyright © 2011-2022 走看看