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
 
 class SomeSetterClass

 {
      public function setSurname(): self
      { return $this; }
-}
-
-(new SomeSetterClass())
-            ->setName('John')
-            ->setSurname('Doe');
+}
+$someSetterClass = new SomeSetterClass();
+$someSetterClass->setName('John');
+$someSetterClass->setSurname('Doe');

PHP snippet to change

<?php

class SomeSetterClass
{
     public function setName(): Bar
     { return new Bar(); }
}

class Bar
{
     public function setSurname(): self
     { return $this; }
}

(new SomeSetterClass())
            ->setName('John')
            ->setSurname('Doe');

Applied Rules:

FluentSettersToStandaloneCallMethodRector

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\Unambiguous\Rector\Expression\FluentSettersToStandaloneCallMethodRector;

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

Rector version: 61d95b - released at 2026-03-15 00:56