GearmanWorker::addFunction

(PECL gearman >= 0.5.0)

GearmanWorker::addFunction — Register and add callback function

说明

public GearmanWorker::addFunction(
    string $function_name,
    callable $function,
    mixed &$context = ?,
    int $timeout = ?
): bool

Registers a function name with the job server and specifies a callback corresponding to that function. Optionally specify extra application context data to be used when the callback is called and a timeout.

参数

function_name: The name of a function to register with the job server
function: A callback that gets called when a job for the registered function name is submitted
context: A reference to arbitrary application context data that can be modified by the worker function
timeout: An interval of time in seconds

返回值

成功时返回 true，或者在失败时返回 false。

范例

示例 #1 Simple worker making use of extra application context data


<?php

# get a gearman worker
$worker= new GearmanWorker(); 

# add the default server (localhost)
$worker->addServer(); 

# define a variable to hold application data
$count= 0; 

# add the "reverse" function
$worker->addFunction("reverse", "reverse_cb", $count);

# start the worker
while ($worker->work());

function reverse_cb($job, &$count) 
{ 
  $count++; 
  return "$count: " . strrev($job->workload()); 
} 

?>

Running a client that submits two jobs for the reverse function would have output similar to the following:

1: olleh
2: dlrow

参见

GearmanClient::do() - Run a single task and return a result [deprecated]

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官方地址：https://www.php.net/manual/en/gearmanworker.addfunction.php

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GearmanWorker::addFunction

说明

参数

返回值

范例

参见

User Contributed Notes