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Introduce reportCastedArrayKey parameter #4012

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Introduce reportCastedArrayKey parameter #4012

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VincentLanglet
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@VincentLanglet VincentLanglet commented May 24, 2025 •
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Closes phpstan/phpstan#12589
Closes phpstan/phpstan#7884

Naming is opened to discussion.

I think we could enable this in phpstan-strict-rules.

@VincentLanglet VincentLanglet force-pushed the reportCastedArrayKey branch from f56eb92 to 011505b Compare May 24, 2025 11:59
ondrejmirtes
ondrejmirtes requested changes Jul 17, 2025
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Also would be nice if it observed rule levels. Always wrong type like null to be always reported, but a partially wrong type like string|stdClass only on level 7+...

This is achieved with RuleLevelHelper::findTypeToCheck.

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Seems like the RuleLevelHelper::findTypeToCheck was not used at all (or wrongly used) on theses rules.

So I fixed it and added tests with and without the reportArrayKeyCast option.

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unset($data[false]); not reported as error? PHPStan should complain about using a non-array-key as an array key
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