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[EventDispatcher] Try first if the event is Stopped #18426

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Merged
nicolas-grekas merged 1 commit into from
Apr 4, 2016
Merged

[EventDispatcher] Try first if the event is Stopped #18426

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2 changes: 1 addition & 1 deletion src/Symfony/Component/EventDispatcher/EventDispatcher.php
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Original file line number Diff line number Diff line change
Expand Up @@ -155,10 +155,10 @@ public function removeSubscriber(EventSubscriberInterface $subscriber)
protected function doDispatch($listeners, $eventName, Event $event)
{
foreach ($listeners as $listener) {
call_user_func($listener, $event);
if ($event->isPropagationStopped()) {
break;
}
call_user_func($listener, $event);
}
}

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4 changes: 4 additions & 0 deletions src/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,10 @@ public function dispatch($eventName, Event $event = null)
$event = new Event();
}

if (null !== $this->logger && $event->isPropagationStopped()) {
$this->logger->debug(sprintf('The "%s" event is already stopped. No listeners have been called.', $eventName));
}

$eventId = ++$this->lastEventId;

$this->preDispatch($eventName, $eventId, $event);
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