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EnumCaseToPascalCaseRector

Convert enum cases to PascalCase and update their usages

 enum Status
 {
-    case PENDING;
-    case published;
-    case IN_REVIEW;
-    case waiting_for_approval;
+    case Pending;
+    case Published;
+    case InReview;
+    case WaitingForApproval;
 }

Configure your rector.php:

<?php

use Rector\CodingStyle\Rector\Enum_\EnumCaseToPascalCaseRector;
use Rector\Config\RectorConfig;

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