Assigns read, write and event(status) callbacks

# EventBufferEvent::setCallbacks

(PECL event >= 1.2.6-beta)

EventBufferEvent::setCallbacks — Assigns read, write and event(status) callbacks

### 说明

public function EventBufferEvent::setCallbacks(
callable `$readcb` ,
callable `$writecb` ,
callable `$eventcb` ,
mixed `$arg` = ?
): void

Assigns read, write and event(status) callbacks.

### 参数

`readcb`

  Read event callback. See About buffer event callbacks.

`writecb`

  Write event callback. See About buffer event callbacks.

`eventcb`

  Status-change event callback. See About buffer event callbacks.

`arg`

  A variable that will be passed to all the callbacks.

### 返回值

没有返回值。

### 参见

- EventBufferEvent::__construct() - Constructs EventBufferEvent object

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