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uncaught TypeError when calling array_map with null callback and non-empty array #8806

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frontenac opened this issue Dec 1, 2022 · 0 comments
Closed

uncaught TypeError when calling array_map with null callback and non-empty array #8806

frontenac opened this issue Dec 1, 2022 · 0 comments

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@frontenac
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frontenac commented Dec 1, 2022 •
edited

The following works in 4.30 but throws a TypeError in 5.0

array_map(null, [1]);

https://psalm.dev/r/fd479a295e

Internal Psalm error on line 101 - /vendor/vimeo/psalm/src/Psalm/Internal/Provider/ReturnTypeProvider/ArrayMapReturnTypeProvider.php: Psalm\Internal\Provider\ReturnTypeProvider\ArrayMapReturnTypeProvider::Psalm\Internal\Provider\ReturnTypeProvider\{closure}(): Argument #1 ($sub) must be of type array, Psalm\Type\Union given

array_map(null, []); runs without exception.
@frontenac frontenac changed the title uncaught TypeError when calling array_map will null callback and non-empty array uncaught TypeError when calling array_map with null callback and non-empty array Dec 1, 2022
@orklah orklah closed this as completed in 3150ad2 Dec 1, 2022
orklah added a commit that referenced this issue Dec 1, 2022
@orklah
Merge pull request #8809 from danog/fix_8806
433e272 
Fix #8806
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