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             $name = 'tom';
         }
 
-        return $name ?? 'tom';
+        return $name ?: 'tom';
     }
 }

PHP snippet to change

<?php
class SkipPossiblyUndefined
{
    public function run()
    {
        if (rand(0, 1)) {
            $name = 'tom';
        }

        return $name ?? 'tom';
    }
}

Applied Rules:

CoalesceToTernaryRector

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\CodeQuality\Rector\Coalesce\CoalesceToTernaryRector;
use Rector\Config\RectorConfig;

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

Rector version: 6200ba - released at 2026-04-11 10:23