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HandlerList: fixed crash on getting unused priority

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these sub-arrays are no longer allocated if no handlers are registered.

fixes #5713
This commit is contained in:
Dylan K. Taylor 2023-04-21 16:19:06 +01:00
parent d06d3bc871
commit 84a16ce69a
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1 changed files with 1 additions and 1 deletions
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src/event/HandlerList.php
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@ -102,7 +102,7 @@ class HandlerList{
* @return RegisteredListener[] * @return RegisteredListener[]
*/ */
public function getListenersByPriority(int $priority) : array{ public function getListenersByPriority(int $priority) : array{
return $this->handlerSlots[$priority]; return $this->handlerSlots[$priority] ?? [];
} }
public function getParent() : ?HandlerList{ public function getParent() : ?HandlerList{