8000 Fix potential access to undefined index by Seldaek · Pull Request #15825 · symfony/symfony · GitHub
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Fix potential access to undefined index #15825

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Merged
merged 1 commit into from
Oct 11, 2015
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Fix potential access to undefined index #15825

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Fix potential access to undefined index
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@Seldaek
Seldaek committed Sep 17, 2015
commit de41002f28436dcc8b555e9ae48032bf848d19c8
6 changes: 5 additions & 1 deletion src/Symfony/Component/EventDispatcher/EventDispatcher.php
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,11 @@ public function dispatch($eventName, Event $event = null)
public function getListeners($eventName = null, $withPriorities = false)
{
if (true === $withPriorities) {
return $eventName ? $this->listeners[$eventName] : array_filter($this->listeners);
if (null !== $eventName) {
return isset($this->listeners[$eventName]) ? $this->listeners[$eventName] : array();
}

return array_filter($this->listeners);
}

if (null !== $eventName) {
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