让Logger在Doctrine MongoDB ODM中工作？

composer require monolog/monolog

<?php

use Monolog\Logger;
use Monolog\Handler\StreamHandler;

$logger = new Logger('mongodb_odm_logger');
$handler = new StreamHandler('mongodb_odm.log', Logger::DEBUG);
$logger->pushHandler($handler);

<?php

use Doctrine\Common\EventManager;
use Doctrine\MongoDB\Connection;
use Doctrine\ODM\MongoDB\Configuration;
use Doctrine\ODM\MongoDB\DocumentManager;
use Doctrine\ODM\MongoDB\Mapping\Driver\AnnotationDriver;

require_once 'logger.php'; // 引入Logger配置文件

$config = new Configuration();
$config->setProxyDir(__DIR__ . '/Proxies');
$config->setProxyNamespace('Proxies');
$config->setHydratorDir(__DIR__ . '/Hydrators');
$config->setHydratorNamespace('Hydrators');
$config->setMetadataDriverImpl(AnnotationDriver::create(__DIR__ . '/Documents'));

$evm = new EventManager();
$evm->addEventSubscriber(new \Doctrine\ODM\MongoDB\LoggableCursor($logger)); // 注入Logger

$dm = DocumentManager::create(new Connection(), $config, $evm);