# MongoDB\Driver\Monitoring\removeSubscriber

(mongodb >=1.3.0)

MongoDB\Driver\Monitoring\removeSubscriber — Unregisters an existing monitoring event subscriber

### 说明

MongoDB\Driver\Monitoring\removeSubscriber ( MongoDB\Driver\Monitoring\Subscriber `$subscriber` ) : void

Unregisters an existing monitoring event subscriber from the driver. Unregistered subscribers will no longer be notified of monitoring events.

> Note: If the object is not registered, this function is a no-op.

### 参数

`subscriber` (MongoDB\Driver\Monitoring\Subscriber)

  A monitoring event subscriber object to unregister.

### 返回值

没有返回值。

### 错误／异常

- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

### 参见

- MongoDB\Driver\Monitoring\Subscriber
- MongoDB\Driver\Monitoring\CommandSubscriber
- MongoDB\Driver\Monitoring\addSubscriber() - Registers a new monitoring event subscriber
- Application Performance Monitoring (APM)