PHP Jobs::failの例

<?php

require_once __DIR__ . '/vendor/autoload.php';
require_once __DIR__ . '/jobs.php';
use PhpAmqpLib\Connection\AMQPConnection;
$connection = new AMQPConnection('localhost', 5672, 'guest', 'guest');
$channel = $connection->channel();
$Jobs = new Jobs();
$channel->queue_declare('jobs', false, false, false, false);
echo ' [*] Waiting for messages. To exit press CTRL+C', "\n";
$callback = function ($msg) use($Jobs) {
    $queue = json_decode($msg->body, true);
    if (empty($queue['queue'])) {
        $Jobs->fail('Queue name is required: { "queue": "{queue-name}", "data": "....." }');
    }
    $job_name = $queue['queue'];
    if (!isset($Jobs->jobs[$job_name])) {
        $job_file = './jobs/' . $job_name . '.php';
        if (!file_exists($job_file)) {
            $Jobs->fail('job file does not exist: ' . $job_file);
        }
        require_once $job_file;
        if (!class_exists($job_name)) {
            $Jobs->fail('queue (' . $job_name . ') does not exist in file: ' . $job_file);
        }
        if (!method_exists($job_name, 'perform')) {
            $Jobs->fail('method (' . $job_name . '->perform) does not exist in file: ' . $job_file);
        }
        $Jobs->jobs[$job_name] = array('job' => new $job_name(), 'failed_count' => 0);
        if (method_exists($job_name, 'setUp')) {
            $Jobs->jobs[$job_name]['job']->setUp();