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 Project

         return $this->repo->findRecent();
     }
 
+    /**
+     * @return \Project[]
+     */
     public function getProjectsInline(): array
     {
         return [

PHP snippet to change

<?php

final class Project
{
    public function __construct(
        public string $title
    ) {}
}

final class ProjectRepository
{
    /**
     * @return array<int, Project>
     */
    public function findRecent(): array
    {
        return [
            new Project('recent-1'),
            new Project('recent-2'),
        ];
    }
}

final class ProjectService
{
    public function __construct(private ProjectRepository $repo) {}

    public function getProjectsFromRepo(): array
    {
        return $this->repo->findRecent();
    }

    public function getProjectsInline(): array
    {
        return [
            new Project('inline-1'),
            new Project('inline-2'),
        ];
    }
}

Applied Rules:

AddReturnDocblockForCommonObjectDenominatorRector

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()
    ->withPreparedSets(
    	typeDeclarations: true,
        typeDeclarationDocblocks: true
	)
    ->withRules([
        TypedPropertyFromAssignsRector::class
    ])
    ->withPhpVersion(PhpVersion::PHP_84);

Rector version: d8e4ee - released at 2025-11-30 00:42