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Fix for BenevolentUnion::looseCompare #4039

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Merged
ondrejmirtes merged 1 commit into from
Jun 2, 2025
Merged

Fix for BenevolentUnion::looseCompare #4039

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2 changes: 1 addition & 1 deletion src/Type/UnionType.php
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Original file line number Diff line number Diff line change
Expand Up @@ -676,7 +676,7 @@ public function isScalar(): TrinaryLogic

public function looseCompare(Type $type, PhpVersion $phpVersion): BooleanType
{
return $this->unionResults(
return $this->notBenevolentUnionResults(
static fn (Type $innerType): TrinaryLogic => $innerType->looseCompare($type, $phpVersion)->toTrinaryLogic()
)->toBooleanType();
}
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6 changes: 6 additions & 0 deletions tests/PHPStan/Rules/Comparison/ConstantLooseComparisonRuleTest.php
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Expand Up @@ -242,4 +242,10 @@ public function testBug8800(): void
]);
}

public function testBug13098(): void
{
$this->treatPhpDocTypesAsCertain = true;
$this->analyse([__DIR__ . '/data/bug-13098.php'], []);
}

}
15 changes: 15 additions & 0 deletions tests/PHPStan/Rules/Comparison/data/bug-13098.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
<?php

namespace Bug13098;

$x = substr($_GET["x"], 0, 10);
if ($x == "") echo "empty";

$x = get_include_path();
if ($x == "") echo "empty";

$x = password_hash("password", PASSWORD_DEFAULT);
if ($x == false) echo "false";

$x = php_sapi_name();
if ($x == false) echo "false";
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