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

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。

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