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See availableSymfony rules

This package is already part ofrector/rector package, so it works out of the box.

All you need to do is install the main package, and you're good to go:

composer require rector/rector --dev

To add a set to your config, useRector\Symfony\Set\SymfonySetList class and pick one of constants:

useRector\Config\RectorConfig;useRector\Symfony\Set\SymfonySetList;return RectorConfig::configure()    ->withSymfonyContainerXml(__DIR__ .'/var/cache/dev/App_KernelDevDebugContainer.xml')    ->withSets([        SymfonySetList::SYMFONY_62,        SymfonySetList::SYMFONY_CODE_QUALITY,        SymfonySetList::SYMFONY_CONSTRUCTOR_INJECTION,    ]);

Some rules likeStringFormTypeToClassRector need access to your Symfony container dumped XML. It contains list of form types with their string names, so it can convert them to class references.

How to add it? Check yourvar/cache/ directory and find the XML file for your test env. Then add it inrector.php:

useRector\Config\RectorConfig;return RectorConfig::configure()    ->withSymfonyContainerXml(__DIR__ .'/var/cache/dev/App_KernelDevDebugContainer.xml');

That's it! Now you can run theStringFormTypeToClassRector and get your form classes converted safely.

Some rules likeAddRouteAnnotationRector require additional access to your Symfony container. The rule takes container service "router" to load metadata about your routes.

useRector\Config\RectorConfig;useRector\Symfony\Bridge\Symfony\Routing\SymfonyRoutesProvider;useRector\Symfony\Configs\Rector\ClassMethod\AddRouteAnnotationRector;useRector\Symfony\Contract\Bridge\Symfony\Routing\SymfonyRoutesProviderInterface;return RectorConfig::configure()    ->withSymfonyContainerPhp(__DIR__ .'/tests/symfony-container.php')    ->registerService(SymfonyRoutesProvider::class, SymfonyRoutesProviderInterface::class);

Thetests/symfony-container.php should provide your dependency injection container. The way you create the container is up to you. It can be as simple as:

// tests/symfony-container.phpuseApp\Kernel;require__DIR__ .'/bootstrap.php';$appKernel =newKernel('test',false);$appKernel->boot();return$appKernel->getContainer();

The version of your Symfony can be quite old. Public methods are stable from Symfony 2 to through 6 and the router have not changed much. TheAddRouteAnnotationRector rule was tested and developed on Symfony 2.8 project.

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