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[PropertyAccess] Fix handling of uninitialized property of anonymous class #44983

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[PropertyAccess] Fix handling of uninitialized property of anonymous class #44983

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0cde115
[PropertyAccess] Fix handling of uninitialized property of anonymous …
filiplikavcan Jan 11, 2022
8216b7e
Fix wrong reference to declaring class
filiplikavcan Jan 11, 2022
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6 changes: 3 additions & 3 deletions src/Symfony/Component/PropertyAccess/PropertyAccessor.php
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Original file line number Diff line number Diff line change
Expand Up @@ -482,11 +482,11 @@ private function readProperty(array $zval, string $property, bool $ignoreInvalid
}
} catch (\Error $e) {
// handle uninitialized properties in PHP >= 7.4
if (\PHP_VERSION_ID >= 70400 && preg_match('/^Typed property ([\w\\\]+)::\$(\w+) must not be accessed before initialization$/', $e->getMessage(), $matches)) {
$r = new \ReflectionProperty($matches[1], $matches[2]);
if (\PHP_VERSION_ID >= 70400 && preg_match('/^Typed property [\w@\\\]+::\$(\w+) must not be accessed before initialization$/', $e->getMessage(), $matches)) {
$r = new \ReflectionProperty($class, $matches[1]);
$type = ($type = $r->getType()) instanceof \ReflectionNamedType ? $type->getName() : (string) $type;

throw new UninitializedPropertyException(sprintf('The property "%s::$%s" is not readable because it is typed "%s". You should initialize it or declare a default value instead.', $r->getDeclaringClass()->getName(), $r->getName(), $type), 0, $e);
throw new UninitializedPropertyException(sprintf('The property "%s::$%s" is not readable because it is typed "%s". You should initialize it or declare a default value instead.', !str_contains(\get_class($object), "@anonymous\0") ? $r->getDeclaringClass()->getName() : (get_parent_class($object) ?: key(class_implements($object)) ?: 'class').'@anonymous', $r->getName(), $type), 0, $e);
}

throw $e;
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35 changes: 35 additions & 0 deletions src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -206,6 +206,41 @@ public function getUninitialized(): array
$this->propertyAccessor->getValue($object, 'uninitialized');
}

/**
* @requires PHP 7.4
*/
public function testGetValueThrowsExceptionIfUninitializedNotNullablePropertyWithGetterOfAnonymousClass()
{
$this->expectException(UninitializedPropertyException::class);
$this->expectExceptionMessage('The property "class@anonymous::$uninitialized" is not readable because it is typed "string". You should initialize it or declare a default value instead.');

$object = eval('return new class() {
private string $uninitialized;

public function getUninitialized(): string
{
return $this->uninitialized;
}
};');

$this->propertyAccessor->getValue($object, 'uninitialized');
}

/**
* @requires PHP 7.4
*/
public function testGetValueThrowsExceptionIfUninitializedPropertyOfAnonymousClass()
{
$this->expectException(UninitializedPropertyException::class);
$this->expectExceptionMessage('The property "class@anonymous::$uninitialized" is not readable because it is typed "string". You should initialize it or declare a default value instead.');

$object = eval('return new class() {
public string $uninitialized;
};');

$this->propertyAccessor->getValue($object, 'uninitialized');
}

public function testGetValueThrowsExceptionIfUninitializedPropertyWithGetterOfAnonymousStdClass()
{
$this->expectException(AccessException::class);
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