(PECL event >= 1.2.6-beta)
EventDnsBase::addNameserverIp — Adds a nameserver to the DNS base
$ip
) : boolAdds a nameserver to the evdns_base.
ip
The nameserver string, either as an IPv4 address, an IPv6 address, an
IPv4 address with a port (
IPv4:Port
), or an IPv6 address with a port (
[IPv6]:Port
).
成功时返回 true， 或者在失败时返回 false。