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Fix HasOffsetValueType::searchArray #4013

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Merged
merged 1 commit into from
Jul 17, 2025
Merged

Fix HasOffsetValueType::searchArray #4013

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7 changes: 6 additions & 1 deletion src/Type/Accessory/HasOffsetValueType.php
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Original file line number Diff line number Diff line change
Expand Up @@ -15,10 +15,12 @@
use PHPStan\Type\ConstantScalarType;
use PHPStan\Type\ErrorType;
use PHPStan\Type\IntegerRangeType;
use PHPStan\Type\IntegerType;
use PHPStan\Type\IntersectionType;
use PHPStan\Type\IsSuperTypeOfResult;
use PHPStan\Type\MixedType;
use PHPStan\Type\ObjectWithoutClassType;
use PHPStan\Type\StringType;
use PHPStan\Type\Traits\MaybeArrayTypeTrait;
use PHPStan\Type\Traits\MaybeCallableTypeTrait;
use PHPStan\Type\Traits\MaybeIterableTypeTrait;
Expand Down Expand Up @@ -266,7 +268,10 @@ public function searchArray(Type $needleType): Type
$needleType instanceof ConstantScalarType && $this->valueType instanceof ConstantScalarType
&& $needleType->getValue() === $this->valueType->getValue()
) {
return $this->offsetType;
return new UnionType([
new IntegerType(),
new StringType(),
]);
}

return new MixedType();
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2 changes: 1 addition & 1 deletion tests/PHPStan/Analyser/nsrt/array-search.php
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ public function normalArrays(array $arr, string $string): void
}

if (array_key_exists(17, $arr) && $arr[17] === 'foo') {
assertType('17', array_search('foo', $arr, true));
assertType('int', array_search('foo', $arr, true));
assertType('int|false', array_search('foo', $arr));
assertType('int|false', array_search($string, $arr, true));
}
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