From 95aa4cb529f1e96576f3fda9f5705ada4056a520 Mon Sep 17 00:00:00 2001
From: Maciej Malarz <malarzm@gmail.com>
Date: Wed, 12 Oct 2022 22:51:15 +0200
Subject: [PATCH] Failsafe for unknown event (#61)

---
 src/EventManager.php       | 2 +-
 tests/EventManagerTest.php | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/EventManager.php b/src/EventManager.php
index 50b088a..6d841be 100644
--- a/src/EventManager.php
+++ b/src/EventManager.php
@@ -65,7 +65,7 @@ public function getListeners($event = null)
             return $this->getAllListeners();
         }
 
-        return $this->listeners[$event];
+        return $this->listeners[$event] ?? [];
     }
 
     /**
diff --git a/tests/EventManagerTest.php b/tests/EventManagerTest.php
index 578d7ae..0ed870e 100644
--- a/tests/EventManagerTest.php
+++ b/tests/EventManagerTest.php
@@ -106,6 +106,11 @@ public function testNoDispatchingForUnregisteredEvent(): void
         self::assertNull($reflection->getValue(null));
     }
 
+    public function testEmptyListenersListForUnregisteredEvent(): void
+    {
+        self::assertSame([], $this->_eventManager->getListeners('unknown'));
+    }
+
     /* Listener methods */
 
     public function preFoo(EventArgs $e): void