Fix phpstan/phpstan#14275: Variable passed by reference are not updated#5217

Merged

ondrejmirtes merged 10 commits intophpstan:2.1.xfrom

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

Mar 20, 2026

Commits on Mar 19, 2026

Fix phpstan/phpstan#14275: Propagate type changes through variable references
VincentLanglet
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Add regression test for phpstan/phpstan#8056

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VincentLanglet
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Re-register intertwined variable entries after propagation for subsequent assignments

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VincentLanglet
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Fix reference type propagation for subsequent assignments

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VincentLanglet
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Simplify reference propagation: prevent invalidation instead of re-registering

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VincentLanglet
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Fix reference propagation to use chain tracking instead of boolean flag

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VincentLanglet
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Add rule test for bug 8056 to verify no false positive "Empty array passed to foreach"

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VincentLanglet
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Refactor: extract isSimpleVariableReference() method on IntertwinedVariableByReferenceWithExpr

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VincentLanglet
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Fix coding standards: use imports instead of fully qualified names in IntertwinedVariableByReferenceWithExpr

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VincentLanglet
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Rename isSimpleVariableReference() to isVariableToVariableReference() for clarity

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VincentLanglet
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