Cml\Cache\Memcache::decrement PHP Method

decrement() public 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)
    {
        $this->type === 2 && ($key = $this->conf['prefix'] . $key);
        return $this->memcache->decrement($key, abs(intval($val)));
    }