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
 
 abstract class Base

 
 final class Child extends Base
 {
+    /**
+     * @var string[]
+     */
     public array $myArray = ['d', 'e', 'f'];
 }

PHP snippet to change

<?php

abstract class Base
{
    /**
	 * @var list<literal-string>
     */
    public array $myArray = ['a', 'b', 'c'];
}

final class Child extends Base
{
    public array $myArray = ['d', 'e', 'f'];
}

Applied Rules:

DocblockVarArrayFromPropertyDefaultsRector

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\TypeDeclarationDocblocks\Rector\Class_\DocblockVarArrayFromPropertyDefaultsRector;
use Rector\ValueObject\PhpVersion;

return RectorConfig::configure()
    // B. or few rules
    ->withRules([
        DocblockVarArrayFromPropertyDefaultsRector::class
    ]);

Rector version: a01724 - released at 2026-06-11 23:36