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
{
    public function run()
    {
        return 5;

        // we never get here
        return 10;
    }
}

Config rector.php

<?php

use Rector\Config\RectorConfig;
use Rector\Set\ValueObject\SetList;
use Rector\TypeDeclaration\Rector\Property\TypedPropertyFromAssignsRector;

return static function (RectorConfig $rectorConfig): void {
    // A. run whole set
    $rectorConfig->sets([
        SetList::DEAD_CODE,
    ]);

    // B. or single rule
    $rectorConfig->rule(TypedPropertyFromAssignsRector::class);
};

Rector version: dev-main@e1dd37 released at 2022-12-06 17:50:13