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:

     public function execute()
     {
         $this->run(
-            foo: 'foo', 
-            bar: 'bar',
+            'foo', 
+            'bar',
         );
     }
 }

PHP snippet to change

<?php

final class DemoFile
{
	public function run(string $foo, string $bar)
    {}
    
    public function execute()
    {
        $this->run(
            foo: 'foo', 
            bar: 'bar',
        );
    }
}

Applied Rules:

DowngradeTrailingCommasInFunctionCallsRector
DowngradeNamedArgumentRector

Not a change you expect?

Create an issue on GitHub

Config rector.php

<?php

declare(strict_types=1);

use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withDowngradeSets(php72: true);

Rector version: 3ce9bb - released at 2026-05-21 21:48