Rector\TypeDeclaration\Rector\ClassMethod\ReturnTypeFromStrictTypedCallRector

ReturnTypeFromStrictTypedCallRector

Add return type from strict return type of call

 final class SomeClass
 {
-    public function getData()
+    public function getData(): int
     {
         return $this->getNumber();
     }

     private function getNumber(): int
     {
         return 1000;
     }
 }

Configure your rector.php:

<?php

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

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

SETS: Type Declarations