More precise array_keys return type
#3590
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| if (!$keysArray->isConstantArray()->no()) { | ||
| $newArrayType = new ArrayType( | ||
| $keysArray->getIterableKeyType()->generalize(GeneralizePrecision::lessSpecific()), | ||
| $keysArray->getIterableValueType()->generalize(GeneralizePrecision::lessSpecific()), | ||
| ); | ||
| } |
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we could make this more sophisticated and support more filtering on constant array, but I think this is good enough for now.
until a few days ago I didn't even know array_keys can filter by values - it feels pretty rare
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This pull request has been marked as ready for review. |
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Just wondering if any of this could also be done inside See also #2117 where I played around with adding filter support 😊 |
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Nice, sorry, noticed too late and should have mentioned it earlier. Later on, e.g. in #3514 I used |
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I used $strict as bool, because other methods in Type also use it. Do you see a use-case where Trinary would come in handy? |
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Not necessarily. If others use that too, then consistency makes sense IMO. |
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closes phpstan/phpstan#11928