[EventDispatcher] fix empty prio #35260
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Contributor
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should we update the contract then? Or just the wrongful calling sides? |
Contributor
Author
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@ro0NL thx, good point, pushed changes |
Member
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This looks suspicious to me. It looks like a BC break. |
xabbuh
requested changes
Jan 9, 2020
| { | ||
| if (empty($this->listeners[$eventName])) { | ||
| return null; | ||
| return 0; |
Member
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This looks wrong to me. The interface states this:
Returns null if the event or the listener does not exist.
Making this change here violates the contract defined by the interface.
| } | ||
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| return null; | ||
| return 0; |
| * @param callable $listener The listener | ||
| * | ||
| * @return int|null The event listener priority | ||
| * @return int The event listener priority, defaults to 0 |
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returns
0instead ofnullas it is typ hinted on other places anyway, and leads to exceptions sometimes.