CheapWorker::run PHP Method

    public static function run($renderer = null)
    {
        $classname = get_called_class();
        $obj = new $classname();
        $methods = [];
        foreach (get_class_methods($obj) as $method) {
            if (substr($method, 0, 4) == "step") {
                $methods[$method] = array($obj, $method);
            }
        }
        ksort($methods);
        $output = new \ArrayObject(['description' => $obj->description, 'steps' => array_keys($methods), 'logs' => [], 'completed' => true, 'duration' => 0, 'steps_completed' => [], 'error' => false]);
        $start = microtime();
        $obj->before();
        foreach ($methods as $name => $callback) {
            $obj->clearlog();
            try {
                $result = call_user_func_array($callback, [$output]);
            } catch (\Exception $e) {
                $result = false;
                $output['error'] = $e->getMessage();
            }
            $output['logs'][$name] = $obj->getlog();
            if ($result === false) {
                $output['completed'] = false;
                $output['stopped_at'] = $name;
                break;
            } else {
                $output['steps_completed'][] = $name;
            }
        }
        $output["duration"] = microtime() - $start;
        if (!$output['completed']) {
            $obj->after($output);
        }
        $obj->finally($output);
        return $renderer ? call_user_func($renderer, $output) : $output;
    }