gearman_client.php

<?php

$jobHandles = [];
foreach ($jobs as $job) {
    $jobHandles[] = $this->getGearmanClient()->doBackground('work', json_encode($job));
}

do {
    $jobHandleCount = count($jobHandles);
    if ($jobHandleCount == 0) {
        break;
    }

    $removedIndex = [];
    for ($index = 0; $index < $jobHandleCount; $index++) {
        $stat = $this->getGearmanClient()->jobStatus($jobHandles[$index]);
        if (!$stat[0]) {
            $removedIndex[] = $index;
        }
    }

    foreach ($removedIndex as $index) {
        unset($jobHandles[$index]);
    }

    sleep(1);
} while (true);