public static function getIp()
{
if (!self::$_Ip) {
if (!empty($_SERVER['HTTP_CLIENT_IP']) && strcasecmp($_SERVER['HTTP_CLIENT_IP'], 'unknown')) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']) && strcasecmp($_SERVER['HTTP_X_FORWARDED_FOR'], 'unknown')) {
$ip = substr($_SERVER['HTTP_X_FORWARDED_FOR'], 0, strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ','));
if (preg_match("/^(10|172.16|192.168)./", $ip)) {
$ip = false;
}
}
if (!$ip && !empty($_SERVER['REMOTE_ADDR']) && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
$ip = $_SERVER['REMOTE_ADDR'];
}
preg_match("/[\\d\\.]{7,15}/", $ip, $onlineipmatches);
self::$_Ip = $onlineipmatches[0] ? $onlineipmatches[0] : 'unknown';
unset($onlineipmatches);
unset($ip);
}
return self::$_Ip;
}
