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.