46 lines
877 B
PHP
46 lines
877 B
PHP
<?php namespace App\Utils;
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/**
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*
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*/
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class IP
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{
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static public function getip()
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{
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$ip=FALSE;
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//客户端IP 或 NONE
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if(!empty($_SERVER["HTTP_CLIENT_IP"])){
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$ip = $_SERVER["HTTP_CLIENT_IP"];
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}
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//多重代理服务器下的客户端真实IP地址（可能伪造）,如果没有使用代理，此字段为空
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if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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$ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
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if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
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for ($i = 0; $i < count($ips); $i++) {
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if (!preg_match('#^(10|172\.16|192\.168)\.#', $ips[$i])) {
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$ip = $ips[$i];
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break;
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}
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}
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}
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//客户端IP 或 (最后一个)代理服务器 IP
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return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
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}
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} |