From 77193df6da4c982f1605f332b7d216f41d0b4990 Mon Sep 17 00:00:00 2001
From: Martin Lutonsky <martin.lutonsky@inspire.cz>
Date: Tue, 5 Dec 2017 08:55:18 +0100
Subject: [PATCH] EventsExtension::optimizeListeners() - fix of invalid
 condition

---
 src/Events/DI/EventsExtension.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Events/DI/EventsExtension.php b/src/Events/DI/EventsExtension.php
index 9edda33..b470188 100644
--- a/src/Events/DI/EventsExtension.php
+++ b/src/Events/DI/EventsExtension.php
@@ -383,7 +383,7 @@ private function optimizeListeners(DIContainerBuilder $builder)
 				// find all subclasses and register the listener to all the classes dispatching them
 				foreach ($builder->getDefinitions() as $def) {
 					$class = $def->getClass();
-					if (!empty($class)) {
+					if (!$class) {
 						continue; // ignore unresolved classes
 					}