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.

说明

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

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.