AddArrayResultColumnNamesRector

Add column names argument to ArrayResult object

 use Doctrine\DBAL\Cache\ArrayResult;

 final class SomeClass
 {
     public function create(array $items)
     {
-        $result = new ArrayResult($items);
+        $result = new ArrayResult(array_keys($items[0] ?? []), $items);

         return $result;
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Doctrine\Dbal42\Rector\New_\AddArrayResultColumnNamesRector;

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