rector.php

<?php

use Rector\Config\RectorConfig;
use Rector\Symfony\Set\SymfonySetList;
use Rector\TypeDeclaration\Rector\Property\TypedPropertyFromStrictConstructorRector;

return RectorConfig::configure()
    ->withPaths([__DIR__.'/src', __DIR__.'/tests'])
    // https://getrector.com/documentation/composer-based-sets
    ->withComposerBased(twig: true, doctrine: true, phpunit: true, symfony: true)
    // https://github.com/rectorphp/rector-symfony
    ->withSymfonyContainerXml(__DIR__.'/var/cache/dev/App_KernelDevDebugContainer.xml')
    ->withSets([
        SymfonySetList::SYMFONY_72,
        SymfonySetList::SYMFONY_CODE_QUALITY,
        SymfonySetList::SYMFONY_CONSTRUCTOR_INJECTION,
    ])
    // register single rule
    ->withRules([
        // TypedPropertyFromStrictConstructorRector::class, I dont know what this does
    ])
    // here we can define, what prepared sets of rules will be applied
    ->withPreparedSets(
        deadCode: true, // What does this?
        codeQuality: true // What does this?
    )
    ->withAttributesSets(symfony: true)
    // https://getrector.com/documentation/import-names
    ->withImportNames(true);