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Resolve bitwise not on constant integer #4437

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Resolve bitwise not on constant integer #4437

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05b6a26
Resolve bitwise not on constant integer
VincentLanglet Oct 13, 2025
4477c49
Fix deprecation
VincentLanglet Oct 13, 2025
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5 changes: 4 additions & 1 deletion src/Reflection/InitializerExprTypeResolver.php
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Original file line number Diff line number Diff line change
Expand Up @@ -2159,8 +2159,11 @@ public function getBitwiseNotType(Expr $expr, callable $getTypeCallback): Type

return TypeCombinator::intersect(...$accessories);
}
if ($type instanceof ConstantIntegerType || $type instanceof ConstantFloatType) {
return new ConstantIntegerType(~ (int) $type->getValue());
}
if ($type->isInteger()->yes() || $type->isFloat()->yes()) {
return new IntegerType(); //no const types here, result depends on PHP_INT_SIZE
return new IntegerType();
}
return new ErrorType();
});
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2 changes: 1 addition & 1 deletion tests/PHPStan/Analyser/nsrt/bitwise-not.php
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Expand Up @@ -17,5 +17,5 @@ function foo(int $int, string $string, float $float, $stringOrInt, string $nonEm
assertType('int', ~$float);
assertType('int|string', ~$stringOrInt);
assertType("'" . (~"abc") . "'", ~"abc");
assertType('int', ~1); //result is dependent on PHP_INT_SIZE
assertType('-2', ~1);
}
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