GearmanClient::setCompleteCallback

(PECL gearman >= 0.5.0)

GearmanClient::setCompleteCallbackSet a function to be called on task completion

Description

public bool GearmanClient::setCompleteCallback ( callable $callback )

Use to set a function to be called when a task is completed. The callback function should accept a single argument, a GearmanTask oject.

Parameters

callback

A function to be called

Return Values

Returns TRUE on success or FALSE on failure.

See Also

Коментарии

Автор:
One shall note, that callback function MUST either return a valid Gearman status code, or return nothing (do not return).

I.e. these are valid complete callbacks:

<?php
function goodCallbackOne(GearmanTask $task)
{
   
print_r($task);
}
?>

<?php
function goodCallbackTwo(GearmanTask $task)
{
   
print_r($task);
    return 
GEARMAN_SUCCESS;
}
?>

While following is NOT, unless you want your client code to fail with Gearman error 'german wait:no active file descriptors':

<?php
function badCallbackTwo(GearmanTask $task)
{
   
print_r($task);
    return 
true;
}
?>
2011-08-18 09:59:06
http://php5.kiev.ua/manual/ru/gearmanclient.setcompletecallback.html

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