Fix phpstan/phpstan#5952: Allow throwing exceptions from __toString() not detected since level 4#5405

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VincentLanglet merged 7 commits intophpstan:2.1.xfrom

phpstan-bot:create-pull-request/patch-6rkqe4h

Apr 7, 2026

Commits on Apr 6, 2026

Rename ToStringThrowPointHelper to ImplicitToStringCallHelper and return ExpressionResult

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claude
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Use import statement for ImplicitToStringCallHelper instead of fully qualified name

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claude
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Collect impure points from implicit __toString() in echo handler and add purity tests

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claude
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