swoole_async_dns_lookup

(PECL swoole >= 1.9.0)

swoole_async_dns_lookup — Async and non-blocking hostname to IP lookup

說明

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

參數(shù)

hostname

The host name.

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

The host name.

IP

The IP address.

返回值

成功時(shí)返回 true， 或者在失敗時(shí)返回 false。