symfony中输出log为json格式，并在一次请求的log中添加唯一标识

输出log格式：
```json
{"message":"Checking for authenticator support.","context":{"firewall_name":"main","authenticators":0},"level":100,"level_name":"DEBUG","channel":"security","datetime":"2023-08-16T02:37:55.332139+00:00","extra":{"token":"hDEbLk2glJZKKFUkkTmh39Zu5jeVufod","post":{"page":"1","limit":"10"},"get":[],"route_params":[]}}

```

##### config/services.yaml
```yaml
    monolog.formatter.session_request:
        class: Monolog\Formatter\LineFormatter
        arguments:
            - "[%%datetime%%] [%%extra.token%%] %%channel%%.%%level_name%%: %%message%% %%context%% %%extra%%\n"

App\Logger\SessionRequestProcessor:
        tags:
            - { name: monolog.processor }
    App\EventListener\ResponseListener:
        tags:
            - { name: kernel.event_listener, event: kernel.response, method: onKernelResponse }
```

##### config/packages/monolog.yaml
```yaml
monolog:
    channels:
        - deprecation # Deprecations are logged in the dedicated "deprecation" channel when it exists

when@dev:
    monolog:
        handlers:
            main:
                type: fingers_crossed
                action_level: error
                handler: nested
                excluded_http_codes: [ 404, 405 ]
                buffer_size: 50 # How many messages should be saved? Prevent memory leaks
            nested:
                type: stream
                path: php://stderr
                level: debug
                formatter: monolog.formatter.json
            console:
                type: console
                process_psr_3_messages: false
                channels: ["!event", "!doctrine", "!console"]
            file:
                type: stream
                level: debug
                formatter: 'monolog.formatter.json'

when@test:
    monolog:
        handlers:
            main:
                type: fingers_crossed
                action_level: error
                handler: nested
                excluded_http_codes: [404, 405]
                channels: ["!event"]
            nested:
                type: stream
                path: "%kernel.logs_dir%/%kernel.environment%.log"
                level: debug

when@prod:
    monolog:
        handlers:
            main:
                type: fingers_crossed
                action_level: error
                handler: nested
                excluded_http_codes: [404, 405]
                buffer_size: 50 # How many messages should be saved? Prevent memory leaks
            nested:
                type: stream
                path: php://stderr
                level: debug
                formatter: monolog.formatter.json
            console:
                type: console
                process_psr_3_messages: false
                channels: ["!event", "!doctrine"]
            deprecation:
                type: stream
                channels: [deprecation]
                path: php://stderr
            file:
                type: stream
                level: debug
                formatter: 'monolog.formatter.json'

```

##### src/EventListener/ResponseListener.php
```php
<?php

namespace App\EventListener;

use App\Logger\SessionRequestProcessor;
use Symfony\Component\HttpKernel\Event\ResponseEvent;

class ResponseListener
{
    public function __construct(
        private SessionRequestProcessor $processor,
    ) {}

public function onKernelResponse(ResponseEvent $event): void
    {
        $response = $event->getResponse();
        $response->headers->add([
            'global-token' => $this->processor->getToken()
        ]);
        $event->setResponse($response);
    }
}
```

##### src/Logger/SessionRequestProcessor.php
```yaml
<?php

namespace App\Logger;

use App\Lib\Tool\StringTool;
use Monolog\LogRecord;
use Symfony\Component\HttpFoundation\Request;

class SessionRequestProcessor
{
    private string $token = "";

// this method is called for each log record; optimize it to not hurt performance
    public function __invoke(LogRecord $record):LogRecord
    {
        if(!$this->token){
            $this->token =  StringTool::random(32);
        }
        $record->extra['token'] = $this->token;
        $record->extra['post'] = Request::createFromGlobals()->request->all();
        $record->extra['get'] = Request::createFromGlobals()->query->all();
        $record->extra['route_params'] = Request::createFromGlobals()->attributes->get('_route_params', []);
        return $record;
    }

public function getToken(): string
    {
        if(!$this->token){
            $this->token =  StringTool::random(32);
        }
        return $this->token;
    }
}
```

##### src/Lib/Tool/StringTool.php
```php
<?php

namespace App\Lib\Tool;

class StringTool
{
    static public function random(int $n): string
    {
        $arr1 = range('a', 'z');
        $arr2 = range('A', 'Z');
        $arr3 = range('0', '9');
        $array = array(...$arr1, ...$arr2, ...$arr3);
        $count = count($array);
        $rs = [];
        for ($i = 0; $i < $n; $i++) {
            $tmp = mt_rand(0, $count - 1);
            $rs[] = $array[$tmp];
        }
        return implode('', $rs);
    }
}
```

最后在响应的header中查看global-token来查找全局token
![](https://phpzlc.com//upload/654b5cc8cb69e.png)

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