symfony
diff --git a/‎src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php
Copy file name to clipboardExpand all lines: src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php
+21Lines changed: 21 additions & 0 deletions b/‎src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php
Copy file name to clipboardExpand all lines: src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php
+21Lines changed: 21 additions & 0 deletions
@@ -11,6 +11,7 @@
 
 namespace Symfony\Bridge\Doctrine\DependencyInjection;
 
+use Symfony\Component\Config\Resource\GlobResource;
 use Symfony\Component\DependencyInjection\Alias;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Definition;
@@ -88,6 +89,26 @@ protected function loadMappingInformation(array $objectManager, ContainerBuilder
                 if (!$mappingConfig) {
                     continue;
                 }
+            } elseif (!$mappingConfig['type']) {
+                if (\PHP_VERSION_ID >= 80000) {
+                    $mappingConfig['type'] = 'attribute';
+                    $glob = new GlobResource($mappingConfig['dir'], '*', true);
+                    $container->addResource($glob);
+
+                    foreach ($glob as $file) {
+                        $content = file_get_contents($file);
+
+                        if (preg_match('/^#\[.*Entity\b/m', $content)) {
+                            break;
+                        }
+                        if (preg_match('/^ \* @.*Entity\b/m', $content)) {
+                            $mappingConfig['type'] = 'annotation';
+                            break;
+                        }
+                    }
+                } else {
+                    $mappingConfig['type'] = 'annotation';
+                }
             }
 
             $this->assertValidMappingConfiguration($mappingConfig, $objectManager['name']);