-$value = SomeClass::OLD_CONSTANT;
-$value = SomeClass::OTHER_OLD_CONSTANT;
+$value = SomeClass::NEW_CONSTANT;
+$value = DifferentClass::NEW_CONSTANT;

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Renaming\Rector\ClassConstFetch\RenameClassConstFetchRector;
use Rector\Renaming\ValueObject\RenameClassAndConstFetch;
use Rector\Renaming\ValueObject\RenameClassConstFetch;

return RectorConfig::configure()
    ->withConfiguredRule(RenameClassConstFetchRector::class, [
        new RenameClassConstFetch('SomeClass', 'OLD_CONSTANT', 'NEW_CONSTANT'),
    new RenameClassAndConstFetch('SomeClass', 'OTHER_OLD_CONSTANT', 'DifferentClass', 'NEW_CONSTANT'),
    ]);

SETS:  symfony/* 3.0 symfony/* 5.1 symfony/* 5.2 symfony/* 5.3 symfony/* 5.4 symfony/* 6.2 SwiftMailer to Symfony Mailer doctrine/dbal 4.0 doctrine/dbal 2.11