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:

 {
     use MyTrait;
     
-    public function _test()
+    public function test()
     {
         return 'overwritten';
     }
 }

PHP snippet to change

<?php

trait MyTrait
{
    public function _test()
    {
		return 'trait';
    }
}

class DemoFile
{
    use MyTrait;
    
    public function _test()
    {
        return 'overwritten';
    }
}

Applied Rules:

RenameMethodRector

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\TypeDeclaration\Rector\Property\TypedPropertyFromAssignsRector;
use Rector\Renaming\Rector\MethodCall\RenameMethodRector;
use Rector\Renaming\ValueObject\MethodCallRename;

return RectorConfig::configure()
    ->withConfiguredRule(RenameMethodRector::class, [
        new MethodCallRename('MyTrait', '_test', 'test'),
    ]);

Rector version: 4273c1 - released at 2026-04-09 11:35