php-gearman/examples/reverse_worker.php

<?php
/*
 * Gearman PHP Extension
 *
 * Copyright (C) 2008 James M. Luedke <contact@jamesluedke.com>,
 *                    Eric Day <eday@oddments.org>
 * All rights reserved.
 *
 * Use and distribution licensed under the PHP license.  See
 * the LICENSE file in this directory for full text.
 */

echo "Starting\n";

# Create our worker object.
$gmworker= new GearmanWorker();

# Add default server (localhost).
$gmworker->addServer();

# Register function "reverse" with the server. Change the worker function to
# "reverse_fn_fast" for a faster worker with no output.
$gmworker->addFunction("reverse", "reverse_fn");

print "Waiting for job...\n";
while($gmworker->work())
{
  if ($gmworker->returnCode() != GEARMAN_SUCCESS)
  {
    echo "return_code: " . $gmworker->returnCode() . "\n";
    break;
  }
}

function reverse_fn($job)
{
  echo "Received job: " . $job->handle() . "\n";

  $workload= $job->workload();
  $workload_size= $job->workloadSize();

  echo "Workload: $workload ($workload_size)\n";

  # This status loop is not needed, just showing how it works
  for ($x= 0; $x < $workload_size; $x++)
  {
    echo "Sending status: $x/$workload_size complete\n";
    /*
    $job->sendStatus($x, $workload_size);
    sleep(1);
    */
  }

  $result= strrev($workload);
  echo "Result: $result\n";

  # Return what we want to send back to the client.
  return $result;
}

# A much simpler and less verbose version of the above function would be:
function reverse_fn_fast($job)
{
  return strrev($job->workload());
}




?>