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Fix get_debug_type produces wrong type for anonymous classes with parent #3374

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merged 3 commits into from
Aug 31, 2024
Merged

Fix get_debug_type produces wrong type for anonymous classes with parent #3374

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423eaa4
Fix `get_debug_type` produces wrong type for anonymous classes with p…
patrickkusebauch Aug 30, 2024
d40d5e5
Fix return type and array access.
patrickkusebauch Aug 30, 2024
952dae2
Code style.
patrickkusebauch Aug 30, 2024
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13 changes: 12 additions & 1 deletion src/Type/Php/GetDebugTypeFunctionReturnTypeExtension.php
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
use PHPStan\Type\StringType;
use PHPStan\Type\Type;
use PHPStan\Type\UnionType;
use function array_key_first;
use function array_map;
use function count;

Expand All @@ -37,6 +38,7 @@ public function getTypeFromFunctionCall(FunctionReflection $functionReflection,

/**
* @see https://www.php.net/manual/en/function.get-debug-type.php#refsect1-function.get-debug-type-returnvalues
* @see https://github.com/php/php-src/commit/ef0e4478c51540510b67f7781ad240f5e0592ee4
*/
private static function resolveOneType(Type $type): Type
{
Expand Down Expand Up @@ -71,7 +73,16 @@ private static function resolveOneType(Type $type): Type
}

if ($reflection->isAnonymous()) { // phpcs:ignore
$types[] = new ConstantStringType('class@anonymous');
$parentClass = $reflection->getParentClass();
$implementedInterfaces = $reflection->getImmediateInterfaces();
if ($parentClass !== null) {
$types[] = new ConstantStringType($parentClass->getName() . '@anonymous');
} elseif ($implementedInterfaces !== []) {
$firstInterface = $implementedInterfaces[array_key_first($implementedInterfaces)];
$types[] = new ConstantStringType($firstInterface->getName() . '@anonymous');
} else {
$types[] = new ConstantStringType('class@anonymous');
}
}
}

Expand Down
9 changes: 9 additions & 0 deletions tests/PHPStan/Analyser/nsrt/get-debug-type.php
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,9 @@
use function PHPStan\Testing\assertType;

final class A {}
interface B {}
interface C {}
class D {}

/**
* @param double $d
Expand All @@ -18,6 +21,9 @@ function doFoo(bool $b, int $i, float $f, $d, $r, string $s, array $a, $intOrStr
$o = new \stdClass();
$A = new A();
$anonymous = new class {};
$anonymousImplements = new class implements B, C {};
$anonymousExtends = new class extends D {};
$anonymousExtendsImplements = new class extends D implements B, C {};

assertType("'bool'", get_debug_type($b));
assertType("'bool'", get_debug_type(true));
Expand All @@ -35,6 +41,9 @@ function doFoo(bool $b, int $i, float $f, $d, $r, string $s, array $a, $intOrStr
assertType("'int'|'string'", get_debug_type($intOrString));
assertType("'array'|'GetDebugType\\\\A'", get_debug_type($arrayOrObject));
assertType("'class@anonymous'", get_debug_type($anonymous));
assertType("'GetDebugType\\\\B@anonymous'", get_debug_type($anonymousImplements));
assertType("'GetDebugType\\\\D@anonymous'", get_debug_type($anonymousExtends));
assertType("'GetDebugType\\\\D@anonymous'", get_debug_type($anonymousExtendsImplements));
}

/**
Expand Down
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