AddParamArrayDocblockBasedOnArrayMapRector

Find another rule

Add @param array docblock if array_map is used on the parameter

 final class SomeClass
 {
+    /**
+     * @param string[] $names
+     */
     public function run(array $names): void
     {
         $names = array_map(fn(string $name) => trim($name), $names);
     }
 }

Configure your rector.php:

<?php

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

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