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
 
 use PHPUnit\Framework\Attributes\DataProvider;

 
 final class SkipMixedFromParamArray extends TestCase
 {
+    /**
+     * @param mixed $names
+     */
     #[DataProvider('provideData')]
     public function test(array $names): void
     {

PHP snippet to change

<?php

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

final class SkipMixedFromParamArray extends TestCase
{
    #[DataProvider('provideData')]
    public function test(array $names): void
    {
    }

    public static function provideData()
    {
       return [
            [$item],
            [$item2],
       ];
    }
}

Applied Rules:

AddParamArrayDocblockFromDataProviderRector

Not a change you expect?

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

Config rector.php

<?php

declare(strict_types=1);

use Rector\Config\RectorConfig;
use Rector\TypeDeclarationDocblocks\Rector\ClassMethod\AddParamArrayDocblockFromDataProviderRector;

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

Rector version: 9d02f9 - released at 2026-01-29 17:51