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    Swoole\Connection\Iterator::offsetExists

    (PECL swoole >= 1.9.0)

    Swoole\Connection\Iterator::offsetExists — Check if offet exists.

    说明

    public Swoole\Connection\Iterator::offsetExists(int $index): bool

    Check if offset exists.

    参数

    index

    The offset being checked.

    返回值

    Returns TRUE if the offset exists, otherwise FALSE.

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