function getip(){	if (getenv(‘HTTP_CLIENT_IP‘))	{		$ip = getenv(‘HTTP_CLIENT_IP‘); //可伪造	}	elseif (getenv(‘HTTP_X_FORWARDED_FOR‘))	{		$ip = getenv(‘HTTP_X_FORWARDED_FOR‘); //可伪造	}	elseif (getenv(‘HTTP_X_FORWARDED‘))	{		$ip = getenv(‘HTTP_X_FORWARDED‘);	}	elseif (getenv(‘HTTP_FORWARDED_FOR‘))	{		$ip = getenv(‘HTTP_FORWARDED_FOR‘);	}	elseif (getenv(‘HTTP_FORWARDED‘))	{		$ip = getenv(‘HTTP_FORWARDED‘);	}	else	{		$ip = $_SERVER[‘REMOTE_ADDR‘];	}	return $ip;}