Fix #19030: Add DI container usage to yii\base\Widget::end()

framework/CHANGELOG.md

@@ -31,6 +31,7 @@ Yii Framework 2 Change Log
 - Bug #18988: Fix default value of `yii\console\controllers\MessageController::$translator` (WinterSilence)
 - Bug #18993: Load defaults by `attributes()` in `yii\db\ActiveRecord::loadDefaultValues()` (WinterSilence)
 - Bug #19021: Fix return type in PhpDoc `yii\db\Migration` functions `up()`, `down()`, `safeUp()` and `safeDown()` (WinterSilence, rhertogh)
+- Bug #19030: Add DI container usage to `yii\base\Widget::end()` (papppeter)
 
 
 2.0.43 August 09, 2021

framework/base/Widget.php

@@ -104,7 +104,13 @@ class Widget extends Component implements ViewContextInterface
     {
         if (!empty(self::$stack)) {
             $widget = array_pop(self::$stack);
-            if (get_class($widget) === get_called_class()) {
+
+            $calledClass = get_called_class();
+            if (Yii::$container->has($calledClass) && isset(Yii::$container->getDefinitions()[$calledClass]['class'])) {
+                $calledClass = Yii::$container->getDefinitions()[$calledClass]['class'];
+            }
+
+            if (get_class($widget) === $calledClass) {
                 /* @var $widget Widget */
                 if ($widget->beforeRun()) {
                     $result = $widget->run();

tests/framework/base/WidgetTest.php

@@ -7,8 +7,10 @@
 
 namespace yiiunit\framework\base;
 
+use Yii;
 use yii\base\Widget;
 use yii\base\WidgetEvent;
+use yii\di\Container;
 use yiiunit\TestCase;
 
 /**
@@ -46,6 +48,30 @@ class WidgetTest extends TestCase
         $this->assertSame('<run-test>', $output);
     }
 
+    /**
+     * @see https://github.com/yiisoft/yii2/issues/19030
+     */
+    public function testDependencyInjection()
+    {
+        Yii::$container = new Container();
+        Yii::$container->setDefinitions([
+            TestWidgetB::className() => [
+                'class' => TestWidget::className()
+            ]
+        ]);
+
+        ob_start();
+        ob_implicit_flush(false);
+
+        $widget = TestWidgetB::begin(['id' => 'test']);
+        $this->assertTrue($widget instanceof TestWidget);
+        TestWidgetB::end();
+
+        $output = ob_get_clean();
+
+        $this->assertSame('<run-test>', $output);
+    }
+
     /**
      * @depends testBeginEnd
      */