StopOnFirstFailurePropertyToStopOnFirstFailureAttributeRector

Changes the stopOnFirstFailure property to use the StopOnFirstFailure attribute

 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Foundation\Http\Attributes\StopOnFirstFailure;

+#[StopOnFirstFailure]
 class StorePostRequest extends FormRequest
 {
-    protected $stopOnFirstFailure = true;
 }

Configure your rector.php:

<?php

use RectorLaravel\Rector\Class_\StopOnFirstFailurePropertyToStopOnFirstFailureAttributeRector;
use Rector\Config\RectorConfig;

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