Do not let `method_exists()` check fall through to general logic when object type contains template types#5605

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Commits on May 6, 2026

Do not let `method_exists()` check fall through to general logic when object type contains template types

VincentLanglet
authored and
phpstan-bot
committed
Add test cases for method_exists with mixed and object types

phpstan-bot
and
claude
committed
Fix at type system level: override hasMethod() on TemplateMixedType to return Maybe

phpstan-bot
and
claude
committed
Move fix from TemplateMixedType::hasMethod() to ImpossibleCheckTypeHelper

phpstan-bot
and
claude
committed
Fix HasMethodType::isSuperTypeOf() to delegate to isSubTypeOf() for CompoundTypes

phpstan-bot
and
claude
committed