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 Workload {

     // ...
 
     private function &getRef(int $index): int {
-        switch ($index) {
-            case 0:
-                return $this->monday;
-            case 1:
-                return $this->tuesday;
-            // ...
-            default:
-                throw new LogicException();
-        }
+        return match ($index) {
+            0 => $this->monday,
+            1 => $this->tuesday,
+            default => throw new LogicException(),
+        };
     }
 
     public function setAtIndex(int $index, int $value) {

PHP snippet to change

<?php

final class Workload {
    private int $monday = 0;
    private int $tuesday = 0;
    // ...

    private function &getRef(int $index): int {
        switch ($index) {
            case 0:
                return $this->monday;
            case 1:
                return $this->tuesday;
            // ...
            default:
                throw new LogicException();
        }
    }

    public function setAtIndex(int $index, int $value) {
        $ref = &$this->getRef($index);
        $ref = $value;
    }
}

$wl = new Workload();
$wl->setAtIndex(0, 100);
var_export($wl);

Applied Rules:

ChangeSwitchToMatchRector

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;
use Rector\TypeDeclaration\Rector\Property\TypedPropertyFromAssignsRector;
use Rector\ValueObject\PhpVersion;
use Rector\Php80\Rector\Switch_\ChangeSwitchToMatchRector;

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

Rector version: 367edb - released at 2026-01-28 17:10