Try Rector Online | Rector - Automated Way to Instantly Upgrade and Refactor any PHP code

Run Rector on your code to see what it can do for you:

 <?php
 
   declare(strict_types=1);

 
   final class ExampleTest extends TestCase
   {
-      /** @dataProvider provideData */
-      #[DataProvider('provideData')]
+      #[DataProvider('provideData')]
+      #[\PHPUnit\Framework\Attributes\DataProvider('provideData')]
       public function testExample(string $value): void
       {
           self::assertNotEmpty($value);

PHP snippet to change

<?php

  declare(strict_types=1);

  use PHPUnit\Framework\Attributes\DataProvider;
  use PHPUnit\Framework\TestCase;

  final class ExampleTest extends TestCase
  {
      /** @dataProvider provideData */
      #[DataProvider('provideData')]
      public function testExample(string $value): void
      {
          self::assertNotEmpty($value);
      }

      public static function provideData(): iterable
      {
          yield 'case 1' => ['foo'];
          yield 'case 2' => ['bar'];
      }
  }

Applied Rules:

DataProviderAnnotationToAttributeRector

Not a change you expect?

Create an issue on GitHub
...or to speed up fix – add a test fixture

Config rector.php

<?php

  use Rector\Config\RectorConfig;
  use Rector\PHPUnit\AnnotationsToAttributes\Rector\ClassMethod\DataProviderAnnotationToAttributeRector;

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

Rector version: 3fe355 - released at 2025-12-25 23:58