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PHP获取客户端IP，以下三种方法都可以获取IP地址和归属地

时间：2020-3-15   编辑：37°5  点个赞呗

php获取ip的三种方法 

function getip(){
    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);
}

function getip(){
    $ip=false;
    if(!empty($_SERVER['HTTP_CLIENT_IP'])){
        $ip=$_SERVER['HTTP_CLIENT_IP'];
    }
    if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){
        $ips=explode (', ', $_SERVER['HTTP_X_FORWARDED_FOR']);
        if($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['REMOTE_ADDR']);
}

function getip() {
    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;
}

PHP获取IP 归属地方法 

/**
获取 IP  地理位置
 * 淘宝IP接口
 * @Return: array
 */
function getCity($ip = '')
{
    $url="http://ip.taobao.com/service/getIpInfo.php?ip=".$ip;
    $ip=json_decode(file_get_contents($url));
    if((string)$ip->code=='1'){
        return false;
    }
    $data = (array)$ip->data;
    return $data;
}

最简单的方法直接调用百度api: 

    function get_look_ip(){
        $ip=request()->ip();
//        $url="http://api.map.baidu.com/location/ip?ak=ia6HfFL660Bvh43exmH9LrI6";
        $url='http://api.map.baidu.com/location/ip?ip='.$ip.'&ak=abDsBedrGw46lo1CyQuwZs9magjV5gSf&coor=';
        $bd=json_decode(file_get_contents($url),true);
        $city=$bd['content']['address'];

        var_dump($ip.":".$city);
    }