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 DemoFile
 {	
+    /**
+     * @return array<string, string[][]|bool[]|int[]|string[][]|int[]>
+     */
     public static function run(): iterable
     {
         $testingUrls = [

PHP snippet to change

<?php

final class DemoFile
{	
    public static function run(): iterable
    {
        $testingUrls = [
            'test',
            'test?important_parameter=1',
        ];

        return [
            '$cacheQueryString=false' => [false, 1, $testingUrls],
            '$cacheQueryString=true' => [true, 5, $testingUrls],
            '$cacheQueryString=array' => [['important_parameter'], 3, $testingUrls],
        ];
    }
}

Applied Rules:

DocblockReturnArrayFromDirectArrayInstanceRector

Not a change you expect?

Create an issue on GitHub
...or to speed up fix – add a test fixture

Config rector.php

<?php

declare(strict_types=1);

use Rector\Config\RectorConfig;
use Rector\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockReturnArrayFromDirectArrayInstanceRector;

return static function (RectorConfig $rectorConfig): void {
    $rectorConfig->rule(DocblockReturnArrayFromDirectArrayInstanceRector::class);
};

Rector version: 92ddbf - released at 2026-01-29 00:45