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Merged
ondrejmirtes merged 1 commit into from
Jul 17, 2025
Merged

Improve NAN inferences #4040

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4 changes: 0 additions & 4 deletions src/Type/ConstantTypeHelper.php
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,6 @@
use function is_bool;
use function is_float;
use function is_int;
use function is_nan;
use function is_object;
use function is_string;

Expand All @@ -34,9 +33,6 @@ public static function getTypeFromValue($value): Type
if (is_int($value)) {
return new ConstantIntegerType($value);
} elseif (is_float($value)) {
if (is_nan($value)) {
return new MixedType();
}
return new ConstantFloatType($value);
} elseif (is_bool($value)) {
return new ConstantBooleanType($value);
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14 changes: 14 additions & 0 deletions tests/PHPStan/Analyser/nsrt/bug-13097.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
<?php

namespace Bug13097;

use function PHPStan\Testing\assertType;

$f = -1 * INF;
assertType('-INF', $f);

$f = 0 * INF;
assertType('NAN', $f);

$f = 1 * INF;
assertType('INF', $f);
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