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
] ) : integerSubtract 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.