function getIp() {
if ($HTTP_SERVER_VARS ["HTTP_X_FORWARDED_FOR"]) {
$ip = $HTTP_SERVER_VARS ["HTTP_X_FORWARDED_FOR"];
} elseif ($HTTP_SERVER_VARS ["HTTP_CLIENT_IP"]) {
$ip = $HTTP_SERVER_VARS ["HTTP_CLIENT_IP"];
} elseif ($HTTP_SERVER_VARS ["REMOTE_ADDR"]) {
$ip = $HTTP_SERVER_VARS ["REMOTE_ADDR"];
} elseif (getenv ( "HTTP_X_FORWARDED_FOR" )) {
$ip = getenv ( "HTTP_X_FORWARDED_FOR" );
} elseif (getenv ( "HTTP_CLIENT_IP" )) {
$ip = getenv ( "HTTP_CLIENT_IP" );
} elseif (getenv ( "REMOTE_ADDR" )) {
$ip = getenv ( "REMOTE_ADDR" );
} else {
$ip = "0.0.0.0";
}
return $ip;
}
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