gearman-worker.php

while ($worker->work()) {
    if (1000 < ++$jobs) {
        print "Job limit reached, exiting worker {$pid}.\n";
        $worker->unregisterAll();
        exit();
    }

    $memory = memory_get_usage(true);
    print "Worker {$pid} running job number {$jobs} memory usage is {$memory}.\n";

    if (md5_file(__FILE__) !== $md5) {
        print __FILE__ . " was modified, exiting worker {$pid}.\n";
        $worker->unregisterAll();
        exit();
    }
};