ManaPHP\Counter\AdapterInterface::increment PHP Метод

    public function increment($type, $id, $step = 1);

 /**
  * Decrements the value of key by a given step.
  *
  * @param string $type
  * @param string $id
  * @param int    $step
  *
  * @return int the new value
  */
 public function decrement($type, $id, $step = 1)
 {
     return $this->adapter->increment($this->_prefix . $type, $id, -$step);
 }