SetStateToStaticRector

Adds static visibility to __set_state() methods

 class SomeClass
 {
-    public function __set_state($properties) {
+    public static function __set_state($properties) {

     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Php80\Rector\ClassMethod\SetStateToStaticRector;

return RectorConfig::configure()
    ->withRules([
        SetStateToStaticRector::class,
    ]);
SETS:  PHP 8.0