<?php
header('Content-Type:text/html;Charset=utf-8'); /**
* 获取IP地址
*
* @return string
*/
function get_ip() {
$realip = '';
$unknown = 'unknown';
if (isset($_SERVER)) {
if (isset($_SERVER['HTTP_X_FORWARDED_FOR']) && !empty($_SERVER['HTTP_X_FORWARDED_FOR']) && strcasecmp($_SERVER['HTTP_X_FORWARDED_FOR'], $unknown)) {
$arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
foreach ($arr as $ip) {
$ip = trim($ip);
if ($ip != 'unknown') {
$realip = $ip;
break;
}
}
} else if (isset($_SERVER['HTTP_CLIENT_IP']) && !empty($_SERVER['HTTP_CLIENT_IP']) && strcasecmp($_SERVER['HTTP_CLIENT_IP'], $unknown)) {
$realip = $_SERVER['HTTP_CLIENT_IP'];
} else if (isset($_SERVER['REMOTE_ADDR']) && !empty($_SERVER['REMOTE_ADDR']) && strcasecmp($_SERVER['REMOTE_ADDR'], $unknown)) {
$realip = $_SERVER['REMOTE_ADDR'];
} else {
$realip = $unknown;
}
} else {
if (getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), $unknown)) {
$realip = getenv("HTTP_X_FORWARDED_FOR");
} else if (getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), $unknown)) {
$realip = getenv("HTTP_CLIENT_IP");
} else if (getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), $unknown)) {
$realip = getenv("REMOTE_ADDR");
} else {
$realip = $unknown;
}
}
$realip = preg_match("/[\d\.]{7,15}/", $realip, $matches) ? $matches[0] : $unknown;
return $realip;
} /**
* 根据IP获取地址详情
*
* @param string $ip
* @return bool|mixed
*/
function get_ip_info($ip = '') {
if (empty($ip)) {
$ip = get_ip();
} $res = @file_get_contents('http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip=' . $ip);
if (empty($res)) {
return false;
} $jsonMatches = array();
preg_match('#\{.+?\}#', $res, $jsonMatches);
if (!isset($jsonMatches[0])) {
return false;
} $json = json_decode($jsonMatches[0], true);
if (isset($json['ret']) && $json['ret'] == 1) {
$json['ip'] = $ip;
unset($json['ret']);
} else {
return false;
} return $json;
} $ipInfos = get_ip_info('123.125.114.144'); // baidu.com IP地址
print_r($ipInfos);
输出：
【特别说明】
使用 file_get_contents() 函数一定要加个超时时间设置，否则，网络差的时候会拖垮php-fpm进程！
参考：