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:

 {
     public function undefinedVarAfter()
     {
-        if ($a = $this->methodX()) {
-            $this->out = $a;
-        } else {
-            $this->out = $this->methodY();
-        }
+        $this->out = $a = $this->methodX() ? $a : $this->methodY();
     }
 }

PHP snippet to change

<?php

final class DemoFile
{
    public function undefinedVarAfter()
    {
        if ($a = $this->methodX()) {
            $this->out = $a;
        } else {
            $this->out = $this->methodY();
        }
    }
}

Applied Rules:

SimplifyIfElseToTernaryRector

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\CodeQuality\Rector\If_\SimplifyIfElseToTernaryRector;
use Rector\Config\RectorConfig;

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

Rector version: b09565 - released at 2026-05-25 06:37