Swoole Функции
PHP Manual

swoole_async_dns_lookup

(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)

swoole_async_dns_lookup — Async and non-blocking hostname to IP lookup.

Описание

void swoole_async_dns_lookup ( string $hostname , callable $callback )

Список параметров

hostname

The host name.

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

The host name.

IP

The IP address.

Swoole Функции
PHP Manual