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:

     {
         $something = null;
         
-     	if($something === null) {
-            /* @phpstan-ignore some.rule (please don't eat me) */
-         	$something = 'something';
-        }
+     	$something ??= 'something';
     }
 }

PHP snippet to change

<?php

class DemoFile
{
    public function run(bool $param): void
    {
        $something = null;
        
     	if($something === null) {
            /* @phpstan-ignore some.rule (please don't eat me) */
         	$something = 'something';
        }
    }
}

Applied Rules:

IfToNullCoalescingAssignRector

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;

return RectorConfig::configure()
    ->withRules([
        \Rector\Php74\Rector\If_\IfToNullCoalescingAssignRector::class
    ]);

Rector version: 136b25 - released at 2026-09-03 22:57