// this is the workload!
// and sometimes exceptions might occur
if (mt_rand(0, 10) == 9) {
throw new \RuntimeException('We have a problem for ' . $input . '.');
}
return "Hi {$input}";
// return null here, in case you do not want to pass any data to the parent
}
}
$wp = new WorkerPool();
$wp->setWorkerPoolSize(10)->create(new MyWorker());
// produce some tasks
for ($i = 1; $i <= 50; $i++) {
$wp->run($i);
}
// some statistics
echo "Busy Workers:" . $wp->getBusyWorkers() . " Free Workers:" . $wp->getFreeWorkers() . "\n";
// wait for completion of all tasks
$wp->waitForAllWorkers();
// collect all the results
foreach ($wp as $val) {
if (isset($val['data'])) {
echo "RESULT: " . $val['data'] . "\n";
} elseif (isset($val['workerException'])) {
echo "WORKER EXCEPTION: " . $val['workerException']['class'] . ": " . $val['workerException']['message'] . "\n" . $val['workerException']['trace'] . "\n";
} elseif (isset($val['poolException'])) {
echo "POOL EXCEPTION: " . $val['poolException']['class'] . ": " . $val['poolException']['message'] . "\n" . $val['poolException']['trace'] . "\n";
}
}
// write something, before the parent exits
echo "ByeBye\n";
