PHPStan adjustments

Author: mbabker

phpstan.neon

@@ -1,5 +1,5 @@
 parameters:
-  level: 7
+  level: 8
   paths:
     - %currentWorkingDirectory%/src
     - %currentWorkingDirectory%/tests
@@ -105,6 +105,6 @@ parameters:
     -
       message: '/Parameter #2 \$msg of method Gos\\Bundle\\WebSocketBundle\\Server\\WampServer::onMessage\(\) expects string, string\|false given\./'
       path: %currentWorkingDirectory%/tests/Server/WampServerTest.php
+
   reportUnmatchedIgnoredErrors: false
   checkMissingIterableValueType: false
-  checkGenericClassInNonGenericObjectType: false

src/Server/App/Dispatcher/TopicDispatcher.php

@@ -180,13 +180,15 @@ public function dispatch(
                 try {
                     $appTopic->registerPeriodicTimer($topic);
                 } catch (\Throwable $e) {
-                    $this->logger->error(
-                        sprintf(
-                            'Error registering periodic timer for topic "%s"',
-                            $appTopic->getName()
-                        ),
-                        ['exception' => $e]
-                    );
+                    if (null !== $this->logger) {
+                        $this->logger->error(
+                            sprintf(
+                                'Error registering periodic timer for topic "%s"',
+                                $appTopic->getName()
+                            ),
+                            ['exception' => $e]
+                        );
+                    }
                 }
             }
         }