swoole_async_dns_lookup

    (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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