Swoole\Atomic::sub

(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)

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

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public Swoole\Atomic::sub ([ integer $sub_value ] ) : integer

Subtract a number to the value of the atomic object.

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sub_value

The value which will be subtracted to the current value.

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The current value of the atomic object.