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ArrayMapFunctionReturnTypeExtension does not take into account for variable length argument expansion #10527

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ryium opened this issue Feb 2, 2024 · 0 comments · May be fixed by phpstan/phpstan-src#2901
Open

ArrayMapFunctionReturnTypeExtension does not take into account for variable length argument expansion #10527

ryium opened this issue Feb 2, 2024 · 0 comments · May be fixed by phpstan/phpstan-src#2901

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@ryium
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ryium commented Feb 2, 2024

Bug report

array_map can accept a variable length argument after the second argument, but if you use the spread syntax added since PHP 7.4, the type is not correctly inferred and a type mismatch occurs.

Code snippet that reproduces the problem

https://phpstan.org/r/7ce82708-6a53-4e31-8c8d-97dd46bb6bb4

Expected output

Expect no errors

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Make array_map argument take into account unpack ryium/phpstan-src
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@ryium