# GearmanClient::setClientCallback

(PECL gearman <= 0.5.0)

GearmanClient::setClientCallback — Callback function when there is a data packet for a task (deprecated)

### Description

public GearmanClient::setClientCallback ( callable `$callback` ) : void

Sets the callback function for accepting data packets for a task. The callback function should take a single argument, a GearmanTask object.

> Note:

> This method has been replaced by GearmanClient::setDataCallback() in the 0.6.0 release of the Gearman extension.

### Parameters

`callback`

  A function or method to call

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### See Also

- GearmanClient::setCompleteCallback() - Set a function to be called on task completion
- GearmanClient::setCreatedCallback() - Set a callback for when a task is queued
- GearmanClient::setDataCallback() - Callback function when there is a data packet for a task
- GearmanClient::setExceptionCallback() - Set a callback for worker exceptions
- GearmanClient::setFailCallback() - Set callback for job failure
- GearmanClient::setStatusCallback() - Set a callback for collecting task status
- GearmanClient::setWarningCallback() - Set a callback for worker warnings
- GearmanClient::setWorkloadCallback() - Set a callback for accepting incremental data updates