Fix #18886: Fix default return of yii\db\Migration::safeUp() and yii\db\Migration::safeDown()

framework/CHANGELOG.md

@@ -18,6 +18,7 @@ Yii Framework 2 Change Log
 - Enh #18858: Reduce memory usage in `yii\base\View::afterRender` method (LeoOnTheEarth)
 - Bug #18880: Fix `yii\helpers\ArrayHelper::toArray()` for `DateTime` objects in PHP >= 7.4 (rhertogh)
 - Bug #18883: Fix `yii\web\HeaderCollection::fromArray()` now ensures lower case keys (rhertogh)
+- Bug #18886: Fix default return of `yii\db\Migration::safeUp()` and `yii\db\Migration::safeDown()` (WinterSilence)
 
 
 2.0.43 August 09, 2021

framework/db/Migration.php

@@ -182,6 +182,7 @@ class Migration extends Component implements MigrationInterface
      */
     public function safeUp()
     {
+        return true;
     }
 
     /**
@@ -199,6 +200,7 @@ class Migration extends Component implements MigrationInterface
      */
     public function safeDown()
     {
+        return true;
     }
 
     /**