function getip() {
$ip=getenv('remote_addr');
$ip_ = getenv('http_x_forwarded_for');
if (($ip_ != "") && ($ip_ != "unknown")) $ip=$ip_;
return $ip;
}
下面这个比较好的
function getip()
{
if (isset($_server)) {
if (isset($_server['http_x_forwarded_for'])) {
$realip = $_server['http_x_forwarded_for'];
} elseif (isset($_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");
} elseif (getenv("http_client_ip")) {
$realip = getenv("http_client_ip");
} else {
$realip = getenv("remote_addr");
}
}
return $realip;
}
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