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    Swoole\Atomic::sub

    (PECL swoole >= 1.9.0)

    Swoole\Atomic::sub — Subtract a number to the value of the atomic object.

    说明

    public Swoole\Atomic::sub(int $sub_value = ?): int

    Subtract a number to the value of the atomic object.

    参数

    sub_value

    The value which will be subtracted to the current value.

    返回值

    The current value of the atomic object.

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