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PHP client for IronWorker
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iron_worker_php is PHP language binding for IronWorker.

IronWorker is a massively scalable background processing system. See How It Works

Getting Started

Get credentials

To start using iron_worker_php, you need to sign up and get an oauth token.

  1. Go to and sign up.
  2. Get an Oauth Token at

Install iron_worker_php

There are two ways to use iron_worker_php:

Using precompiled phar archive:

Copy iron_worker.phar to target directory and include it:

require_once "phar://iron_worker.phar";

Please note, phar extension available by default only from php 5.3.0 For php 5.2 you should install phar manually or use second option.

Using classes directly

  1. Copy IronWorker.class.php to target directory
  2. Grab IronCore.class.php there and copy to target directory
  3. Include both of them:
require_once "IronCore.class.php"
require_once "IronWorker.class.php"


Three ways to configure IronWorker:

  • Passing array with options:
$iw = new IronWorker(array(
    'token' => 'XXXXXXXXX',
    'project_id' => 'XXXXXXXXX'
  • Passing ini file name which stores your configuration options. Rename sample_config.ini to config.ini and include your credentials (token and project_id):
$iw = new IronWorker('config.ini');
  • Automatic config search - pass zero arguments to constructor and library will try to find config file in following locations:

    • iron.ini in current directory
    • iron.json in current directory
    • IRON_WORKER_TOKEN, IRON_WORKER_PROJECT_ID and other environment variables
    • IRON_TOKEN, IRON_PROJECT_ID and other environment variables
    • .iron.ini in user's home directory
    • .iron.json in user's home directory

Creating a Worker

Here's an example worker:

echo "Hello PHP World!\n";

Upload code to server

You can upload worker in one step:

# 1. Directory where worker files lies
# 2. This file will be launched as worker
# 3. Referenceable (unique) name for your worker
$iw->upload(dirname(__FILE__)."/hello_world/", 'HelloWorld.php', 'HelloWorld');

OR zip and upload separately:

  • Zip worker:
# Zip single file:
IronWorker::createZip(dirname(__FILE__), array('HelloWorld.php'), '', true);
# OR
# Zip whole directory:
IronWorker::zipDirectory(dirname(__FILE__)."/hello_world/", '', true);
  • Submit worker:
$res = $iw->postCode('HelloWorld.php', '', 'HelloWorld');

Where 'HelloWorld' is a worker name which should be used later for queueing and scheduling.

Worker examples

You can find plenty of good worker examples here: iron_worker_examples

Queueing a Worker

$task_id = $iw->postTask('HelloWorld');

Worker should start in a few seconds.

Scheduling a Worker

If you want to run your code more than once or run it in regular intervals, you should schedule it:

# 3 minutes from now
$start_at = time() + 3*60;

# Run task every 2 minutes, repeat 10 times
$iw->postScheduleAdvanced('HelloWorld', array(), $start_at, 2*60, null, 10);

Status of a Worker

To get the status of a worker, you can use the getTaskDetails() method.

$task_id = $iw->postTask('HelloWorld');
$details = $iw->getTaskDetails($task_id);

echo $details->status; # prints 'queued', 'complete', 'error' etc.

Get Worker Log

Use any function that print text inside your worker to put messages to log.

$task_id = $iw->postTask('HelloWorld');
$details = $iw->getTaskDetails($task_id);
# Check log only if task is finished.
if ($details->status != 'queued'){
    $log = $iw->getLog($task_id);
    echo $log; # prints "Hello PHP World!"

Loading the Task Data Payload

To provide Payload to your worker simply put an array with any content you want.

$payload = array(
    'key_one' => 'Helpful text',
    'key_two' => 2,
    'options' => array(
        'option 1',
        'option 2'

$iw->postTask('HelloWorld', $payload);

$iw->postScheduleSimple('HelloWorld', $payload, 10)

$iw->postScheduleAdvanced('HelloWorld', $payload, time()+3*60, 2*60, null, 5);

When your code is executed, it will be passed three program arguments:

  • -id - The task id.
  • -payload - the filename containing the data payload for this particular task.
  • -d - the user writable directory that can be used while running your job.

IronWorker provide functions getArgs() and getPayload() in your worker to help you using payload:

$args = getArgs();

echo "Hello PHP World!\n";


Setting progress status

To set current task progress, just call setProgress($percent, $message) inside your worker.

  • percent - A percentage value that can be set to show how much progress a task is making
  • msg - A human readable message string that can be used when showing the status of a task

To retrieve this data on client side, use $iw->getTaskDetails($task_id);

Full Documentation

You can find more documentation here:

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