php获取客户端真实ip

最新推荐文章于 2024-06-27 18:43:53 发布

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最新推荐文章于 2024-06-27 18:43:53 发布

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function get_real_ip()
{
    static $realip;
    if (isset($_SERVER)) {
        if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            $realip = $_SERVER['HTTP_X_FORWARDED_FOR'];
        } else if (isset($_SERVER['HTTP_CLIENT_IP'])) {
            $realip = $_SERVER['HTTP_CLIENT_IP'];
        } else {
            $realip = $_SERVER['REMOTE_ADDR'];
        }
    } else {
        if (getenv('HTTP_X_FORWARDED_FOR')) {
            $realip = getenv('HTTP_X_FORWARDED_FOR');
        } else if (getenv('HTTP_CLIENT_IP')) {
            $realip = getenv('HTTP_CLIENT_IP');
        } else {
            $realip = getenv('REMOTE_ADDR');
        }
    }
    return $realip;
}