//返回客户端ip
function get_ip() {
if (isset($_SERVER)) {
if (isset($_SERVER)) {
$realip = $_SERVER;
} elseif (isset($_SERVER)) {
$realip = $_SERVER;
} else {
$realip = $_SERVER;
}
} 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");
}
}
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