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()
     {
-        return $this->run([$this, 'some']);
+        return $this->run($this->some(...));
     }
     
     public function some()
     {}
 }

PHP snippet to change

<?php

final class DemoFile
{
    public function run(array $data)
    {
    }

    public function execute()
    {
        return $this->run([$this, 'some']);
    }
    
    public function some()
    {}
}

Applied Rules:

ArrayToFirstClassCallableRector

Config rector.php

<?php

declare(strict_types=1);

use Rector\Config\RectorConfig;
use Rector\Php81\Rector\Array_\ArrayToFirstClassCallableRector;
use Rector\ValueObject\PhpVersion;

return static function (RectorConfig $rectorConfig): void {
    $rectorConfig->rule(ArrayToFirstClassCallableRector::class);

    $rectorConfig->phpVersion(PhpVersion::PHP_81);
};

Rector version: 1453e6 - released at 2026-09-07 10:59