improve DBAL 4 detection for EventManager

ConnectionFactory.php

@@ -22,8 +22,8 @@
 
 use function array_merge;
 use function class_exists;
-use function interface_exists;
 use function is_subclass_of;
+use function method_exists;
 use function trigger_deprecation;
 
 use const PHP_EOL;
@@ -69,8 +69,8 @@ public function __construct(array $typesConfig, ?DsnParser $dsnParser = null)
      */
     public function createConnection(array $params, ?Configuration $config = null, ?EventManager $eventManager = null, array $mappingTypes = [])
     {
-        if (interface_exists(DBALException::class) && $eventManager !== null) {
-            throw new InvalidArgumentException('Passing an EventManager instance is not supported with DBAL 4');
+        if (! method_exists(Connection::class, 'getEventManager') && $eventManager !== null) {
+            throw new InvalidArgumentException('Passing an EventManager instance is not supported with DBAL > 3');
         }
 
         if (! $this->initialized) {

DependencyInjection/DoctrineExtension.php

@@ -17,7 +17,6 @@
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Connections\PrimaryReadReplicaConnection;
 use Doctrine\DBAL\Driver\Middleware as MiddlewareInterface;
-use Doctrine\DBAL\Exception as DBALException;
 use Doctrine\DBAL\Schema\LegacySchemaManagerFactory;
 use Doctrine\ORM\Configuration as OrmConfiguration;
 use Doctrine\ORM\EntityManager;
@@ -274,7 +273,7 @@ protected function loadDbalConnection($name, array $connection, ContainerBuilder
                 $options,
                 new Reference(sprintf('doctrine.dbal.%s_connection.configuration', $name)),
                 // event manager is only supported on DBAL < 4
-                class_exists(DBALException::class) ? new Reference(sprintf('doctrine.dbal.%s_connection.event_manager', $name)) : null,
+                method_exists(Connection::class, 'getEventManager') ? new Reference(sprintf('doctrine.dbal.%s_connection.event_manager', $name)) : null,
                 $connection['mapping_types'],
             ]);