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if (isset($_SERVER)){
if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
$ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
//echo "HTTP_X_FORWARDED_FOR1--".$ip;
}else if(isset($_SERVER["HTTP_CLIENT_IP"])){
$ip = $_SERVER["HTTP_CLIENT_IP"];
//echo "HTTP_CLIENT_IP1--".$ip;
}else{
$ip = $_SERVER["REMOTE_ADDR"];
//echo "REMOTE_ADDR1--".$ip;
}
}else{
if(getenv("HTTP_X_FORWARDED_FOR")){
$ip = getenv("HTTP_X_FORWARDED_FOR");
//echo "HTTP_X_FORWARDED_FOR2--".$ip;
}else if(getenv("HTTP_CLIENT_IP")){
$ip = getenv("HTTP_CLIENT_IP");
//echo "HTTP_CLIENT_IP2--".$ip;
}else{
$ip = getenv("REMOTE_ADDR");
//echo "REMOTE_ADDR2--".$ip;
}
}
<?php
function get_real_ip(){
$ip=false;
if(!empty($_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']);
}
$getip=get_real_ip();//获取IP值赋给getip
?>