public function server_ip()
{
$serverip = $this->nv_getenv('SERVER_ADDR');
if ($this->nv_validip($serverip)) {
return $serverip;
} elseif ($_SERVER['SERVER_NAME'] == 'localhost') {
return '127.0.0.1';
} elseif (function_exists('gethostbyname')) {
return gethostbyname($_SERVER['SERVER_NAME']);
}
return 'none';
}