Emit SwitchConditionNode and report always-false switch case comparisons - #5854

Merged

staabm merged 18 commits into

phpstan:2.2.xfrom

phpstan-bot:create-pull-request/patch-pndxujx

Jul 30, 2026

Commits on Jul 29, 2026

Emit SwitchConditionNode and report always-false switch case comparisons

ondrejmirtes
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staabm
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Add in-trait test coverage for SwitchConditionRule

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staabm
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Report always-true switch case comparisons

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Treat the last non-default switch case as last for always-true reporting

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staabm
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Use early exit in last-non-default-case loop

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staabm
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Use @param mixed PHPDoc instead of native mixed type for PHP 7.4

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Use @return PHPDoc instead of native false/true types for PHP 7.4

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Skip version-dependent SwitchConditionRule tests on older PHP

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Keep loose comparison with a never operand undecided

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Report duplicate switch cases

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Identify duplicate switch cases by type instead of a hand-rolled key

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fix bad merge
staabm
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Document that a never switch subject is intentionally not always-false

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Report always-false switch case on a never subject exhausted by earlier cases

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remove outdated comments
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Report loosely-equal numeric switch cases as duplicates

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I don't see why we should handle only numeric constant values
staabm
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Commits on Jul 30, 2026

fix build
staabm
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