# GearmanWorker::work

(PECL gearman >= 0.5.0)

GearmanWorker::work — Wait for and perform jobs

### 说明

public GearmanWorker::work(): bool

Waits for a job to be assigned and then calls the appropriate callback function. Issues an `E_WARNING` with the last Gearman error if the return code is not one of `GEARMAN_SUCCESS`, `GEARMAN_IO_WAIT`, or `GEARMAN_WORK_FAIL`.

### 参数

此函数没有参数。

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

### 示例

示例 #1 GearmanWorker::work() example

`<?php
# create the worker
$worker = new GearmanWorker();
# add the default job server (localhost)
$worker->addServer();
# add the reverse function
$worker->addFunction("reverse", "my_reverse_function");
# start te worker listening for job submissions
while ($worker->work());
function my_reverse_function($job)
{
return strrev($job->workload());
}
?>`

### 参见

- GearmanWorker::addFunction() - Register and add callback function

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