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

Rector run Failed:

{ "totals": { "changed_files": 0, "errors": 1 }, "errors": [ { "message": "System error: \"PhpParser\\Node\\Stmt\\ClassLike::getMethod(): Argument #1 ($name) must be of type string, null given, called in /var/www/vendor/rector/rector/vendor/rector/rector-phpunit/rules/CodeQuality/Rector/Class_/AddParamTypeFromDependsRector.php on line 126\"\nRun Rector with \"--debug\" option and post the report here: https://github.com/rectorphp/rector/issues/new", "file": "/var/www/storage/demo/ixe06vfftpc32u0l6n2a/rector_analyzed_file.php", "line": 99 } ] }

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

PHP snippet to change

<?php

use PHPUnit\Framework\TestCase;

final class SkipNoDepends extends TestCase
{
    public function test(): \stdClass
    {
        return new \stdClass();
    }

    public function testNoDepends($value)
    {
    }
}

Config rector.php

<?php

declare(strict_types=1);

use Rector\Config\RectorConfig;
use Rector\PHPUnit\CodeQuality\Rector\Class_\AddParamTypeFromDependsRector;

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

Rector version: e040c5 - released at 2026-01-11 00:45