Rector\TypeDeclaration\Rector\ClassMethod\ReturnNeverTypeRector

ReturnNeverTypeRector

Add "never" return-type for methods that never return anything

 final class SomeClass
 {
-    public function run()
+    public function run(): never
     {
         throw new InvalidException();
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\TypeDeclaration\Rector\ClassMethod\ReturnNeverTypeRector;

return RectorConfig::configure()
    ->withRules([
        ReturnNeverTypeRector::class,
    ]);

SETS: PHP 8.1 Type Declarations