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:

     /**
      * @return never
      */
-    public function run(): never {
+    public function run() {
         //exit;
     }
 }
 
 new Bar();

PHP snippet to change

<?php

class Foo {
    public function run(): void {
        
    }
}

class Bar extends Foo {
    /**
     * @return never
     */
    public function run(): never {
        //exit;
    }
}

new Bar();

Applied Rules:

DowngradeNeverTypeDeclarationRector

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\DowngradeLevelSetList::DOWN_TO_PHP_74
    ])
    ->withPhpVersion(PhpVersion::PHP_74);

Rector version: b855ff - released at 2026-01-22 19:37