Improve return type of array map #4068
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VincentLanglet
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ondrejmirtes
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Jul 10, 2025
src/Analyser/MutatingScope.php
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| $node->name instanceof FuncCall | ||
| && $node->name->isFirstClassCallable() | ||
| && $node->name->getAttribute('phpstan_cache_printer') !== null | ||
| && preg_match('/\A(?<name>\\\\?[^()]+)\(...\)\z/', $node->name->getAttribute('phpstan_cache_printer'), $m) === 1 |
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Why the original code with:
return ParametersAcceptorSelector::selectFromArgs(
$this,
$node->getArgs(),
$calledOnType->getCallableParametersAcceptors($this),
null,
)->getReturnType();does not work here? That should be addressed instead.
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I took the code from the previous PR but it might be improved indeed so I re-tried.
I tried to simplify/rewrite the code in order to show what was missing in the original code.
Now it should be more clear with https://github.com/phpstan/phpstan-src/pull/4068/files
There is nothing wrong with
ParametersAcceptorSelector::selectFromArgs(
$this,
$node->getArgs(),
$calledOnType->getCallableParametersAcceptors($this),
null,
)
but the issue was the early getReturnType and the fact the DynamicReturnTypeExtension was not used in this case.
Is it better ?
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From #3156
Closes phpstan/phpstan#11180
Closes #3156