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:

 }
 
 $obj = new DemoFile();
-$obj->run(param2: 'test', param: true);
+$obj->run(true, 'test');

PHP snippet to change

<?php

final class DemoFile
{
    public function run(bool $param, string $param2)
    {
    }
}

$obj = new DemoFile();
$obj->run(param2: 'test', param: true);

Applied Rules:

DowngradeNamedArgumentRector

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;

return RectorConfig::configure()
    ->withRules([
        \Rector\DowngradePhp80\Rector\MethodCall\DowngradeNamedArgumentRector::class
    ]);

Rector version: 13f7ab - released at 2026-01-07 13:19