swoole_async_dns_lookup

(PECL swoole >= 1.9.0)

swoole_async_dns_lookupAsync and non-blocking hostname to IP lookup

说明

swoole_async_dns_lookup ( string $hostname , callable $callback ) : bool

参数

hostname

The host name.

callback
callback ( string $hostname , string $ip ) : mixed
hostname

The host name.

IP

The IP address.

返回值

成功时返回 true, 或者在失败时返回 false