Cml\Cache\Apc::decrement PHP Method

自减

public decrement ( mixed $key, integer $val = 1 ) : boolean
$key	mixed	要自减的缓存的数据的key
$val	integer	自减的进步值,默认为1
return	boolean

    public function decrement($key, $val = 1)
    {
        return apc_dec($this->conf['prefix'] . $key, abs(intval($val)));
    }

Apc