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Improve loose comparison on integer - #3748
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staabm
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Dec 21, 2024
| assertType('false', 'a' != 'a'); | ||
| assertType('true', 'a' != 'b'); | ||
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| assertType('bool', $b == 'a'); |
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moved this case into the loose-comparison-* files, as it depends on php version
staabm
commented
Dec 21, 2024
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| if ($type->isConstantArray()->yes() && $type->isIterableAtLeastOnce()->no()) { | ||
| // @phpstan-ignore equal.notAllowed, equal.invalid | ||
| // @phpstan-ignore equal.notAllowed, equal.invalid, equal.alwaysFalse |
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ignores
------ -------------------------------------------------------------------------------------------------------------
Line src/Type/Traits/ConstantScalarTypeTrait.php (in context of class PHPStan\Type\Constant\ConstantIntegerType)
------ -------------------------------------------------------------------------------------------------------------
62 Loose comparison using == between int and array{} will always evaluate to false.
🪪 equal.alwaysFalse
------ -------------------------------------------------------------------------------------------------------------
staabm
commented
Dec 21, 2024
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| if (PHP_VERSION_ID >= 80000) { | ||
| $expectedErrors = array_merge($expectedErrors, [ | ||
| [ | ||
| "Loose comparison using == between '13foo' and int<10, 20> will always evaluate to false.", | ||
| 29, | ||
| 'Because the type is coming from a PHPDoc, you can turn off this check by setting <fg=cyan>treatPhpDocTypesAsCertain: false</> in your <fg=cyan>%configurationFile%</>.', | ||
| ], | ||
| [ | ||
| "Loose comparison using == between int<10, 20> and '13foo' will always evaluate to false.", | ||
| 30, | ||
| 'Because the type is coming from a PHPDoc, you can turn off this check by setting <fg=cyan>treatPhpDocTypesAsCertain: false</> in your <fg=cyan>%configurationFile%</>.', | ||
| ], | ||
| ]); | ||
| } |
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staabm
marked this pull request as ready for review
December 21, 2024 17:13
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This pull request has been marked as ready for review. |
staabm
commented
Dec 21, 2024
| @@ -139,6 +140,18 @@ public function isScalar(): TrinaryLogic | |||
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| public function looseCompare(Type $type, PhpVersion $phpVersion): BooleanType | |||
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I think we have a new todo for PHPStan 3.x: adjust all Type methods which depend on PhpVersion and turn them into using PhpVersions
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Yeah, this should be possible. It's possible to make PhpVersions from PhpVersion (without losing precision), but not vice-versa.
So places that only have PhpVersion could still call these methods by transforming it into PhpVersions first.
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Awesome, thank you! |
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see https://www.php.net/manual/en/types.comparisons.php
see https://3v4l.org/395hr