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
 
 final class DemoFile

         $this->doStuff(unserialize($param));
     }
 
+    /**
+     * @param mixed $value
+     */
     private function doStuff(array $value)
     {
         // do stuff with value
     }
 }

PHP snippet to change

<?php

final class DemoFile
{
    public function run(string $param)
    {
        $this->doStuff(unserialize($param));
    }

    private function doStuff(array $value)
    {
        // do stuff with value
    }
}

Applied Rules:

ClassMethodArrayDocblockParamFromLocalCallsRector

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\ValueObject\PhpVersion;

return RectorConfig::configure()
    ->withSets([
        \Rector\Set\ValueObject\SetList::TYPE_DECLARATION_DOCBLOCKS,
    ]);

Rector version: 9d02f9 - released at 2026-01-29 17:51