RequestIsMainRector

Turns status code numbers to constants

 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\HttpKernel;

 class SomeController
 {
     public function index(Request $request): bool
     {
-        return $request->getRequestType() === HttpKernel::MASTER_REQUEST;
+        return $request->isMasterRequestType();
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Symfony\CodeQuality\Rector\BinaryOp\RequestIsMainRector;

return RectorConfig::configure()
    ->withRules([
        RequestIsMainRector::class,
    ]);
SETS:  Code Quality