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\TestCase;
 
- final class SomeHelper extends TestCase
- {
+ final class SomeHelper extends TestCase
+ {
+     public function __construct()
+     {
+         parent::__construct(static::class);
+     }
  }

PHP snippet to change

<?php

 use PHPUnit\Framework\TestCase;

 final class SomeHelper extends TestCase
 {
 }

Applied Rules:

ParentTestClassConstructorRector

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\PHPUnit100\Rector\Class_\ParentTestClassConstructorRector;

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

Rector version: 514030 - released at 2026-01-27 01:27