ArrayOffsetSetToSetCollectionCallRector

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Change dim assign on a Collection to clear ->set() call

 use Doctrine\Common\Collections\Collection;

 final class SomeClass
 {
     /**
      * @var Collection<int, string>
      */
     public $items;

     public function setItem()
     {
-        $this->items['key'] = 'value';
+        $this->items->set('key', 'value');
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Doctrine\TypedCollections\Rector\Assign\ArrayOffsetSetToSetCollectionCallRector;

return RectorConfig::configure()
    ->withRules([
        ArrayOffsetSetToSetCollectionCallRector::class,
    ]);

SETS: Typed Collections