vendor/symfony/property-access/PropertyAccessor.php line 206
<?php/** This file is part of the Symfony package.** (c) Fabien Potencier <fabien@symfony.com>** For the full copyright and license information, please view the LICENSE* file that was distributed with this source code.*/namespace Symfony\Component\PropertyAccess;use Psr\Cache\CacheItemPoolInterface;use Psr\Log\LoggerInterface;use Psr\Log\NullLogger;use Symfony\Component\Cache\Adapter\AdapterInterface;use Symfony\Component\Cache\Adapter\ApcuAdapter;use Symfony\Component\Cache\Adapter\NullAdapter;use Symfony\Component\PropertyAccess\Exception\AccessException;use Symfony\Component\PropertyAccess\Exception\InvalidTypeException;use Symfony\Component\PropertyAccess\Exception\NoSuchIndexException;use Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException;use Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException;use Symfony\Component\PropertyAccess\Exception\UninitializedPropertyException;use Symfony\Component\PropertyInfo\Extractor\ReflectionExtractor;use Symfony\Component\PropertyInfo\PropertyReadInfo;use Symfony\Component\PropertyInfo\PropertyReadInfoExtractorInterface;use Symfony\Component\PropertyInfo\PropertyWriteInfo;use Symfony\Component\PropertyInfo\PropertyWriteInfoExtractorInterface;/*** Default implementation of {@link PropertyAccessorInterface}.** @author Bernhard Schussek <bschussek@gmail.com>* @author Kévin Dunglas <dunglas@gmail.com>* @author Nicolas Grekas <p@tchwork.com>*/class PropertyAccessor implements PropertyAccessorInterface{/** @var int Allow none of the magic methods */public const DISALLOW_MAGIC_METHODS = ReflectionExtractor::DISALLOW_MAGIC_METHODS;/** @var int Allow magic __get methods */public const MAGIC_GET = ReflectionExtractor::ALLOW_MAGIC_GET;/** @var int Allow magic __set methods */public const MAGIC_SET = ReflectionExtractor::ALLOW_MAGIC_SET;/** @var int Allow magic __call methods */public const MAGIC_CALL = ReflectionExtractor::ALLOW_MAGIC_CALL;public const DO_NOT_THROW = 0;public const THROW_ON_INVALID_INDEX = 1;public const THROW_ON_INVALID_PROPERTY_PATH = 2;private const VALUE = 0;private const REF = 1;private const IS_REF_CHAINED = 2;private const CACHE_PREFIX_READ = 'r';private const CACHE_PREFIX_WRITE = 'w';private const CACHE_PREFIX_PROPERTY_PATH = 'p';private const RESULT_PROTO = [self::VALUE => null];private bool $ignoreInvalidIndices;private bool $ignoreInvalidProperty;private ?CacheItemPoolInterface $cacheItemPool;private array $propertyPathCache = [];private PropertyReadInfoExtractorInterface $readInfoExtractor;private PropertyWriteInfoExtractorInterface $writeInfoExtractor;private array $readPropertyCache = [];private array $writePropertyCache = [];/*** Should not be used by application code. Use* {@link PropertyAccess::createPropertyAccessor()} instead.** @param int $magicMethodsFlags A bitwise combination of the MAGIC_* constants* to specify the allowed magic methods (__get, __set, __call)* or self::DISALLOW_MAGIC_METHODS for none* @param int $throw A bitwise combination of the THROW_* constants* to specify when exceptions should be thrown*/public function __construct(private int $magicMethodsFlags = self::MAGIC_GET | self::MAGIC_SET,int $throw = self::THROW_ON_INVALID_PROPERTY_PATH,?CacheItemPoolInterface $cacheItemPool = null,?PropertyReadInfoExtractorInterface $readInfoExtractor = null,?PropertyWriteInfoExtractorInterface $writeInfoExtractor = null,) {$this->ignoreInvalidIndices = 0 === ($throw & self::THROW_ON_INVALID_INDEX);$this->cacheItemPool = $cacheItemPool instanceof NullAdapter ? null : $cacheItemPool; // Replace the NullAdapter by the null value$this->ignoreInvalidProperty = 0 === ($throw & self::THROW_ON_INVALID_PROPERTY_PATH);$this->readInfoExtractor = $readInfoExtractor ?? new ReflectionExtractor([], null, null, false);$this->writeInfoExtractor = $writeInfoExtractor ?? new ReflectionExtractor(['set'], null, null, false);}public function getValue(object|array $objectOrArray, string|PropertyPathInterface $propertyPath): mixed{$zval = [self::VALUE => $objectOrArray,];if (\is_object($objectOrArray) && (false === strpbrk((string) $propertyPath, '.[?') || $objectOrArray instanceof \stdClass && property_exists($objectOrArray, $propertyPath))) {return $this->readProperty($zval, $propertyPath, $this->ignoreInvalidProperty)[self::VALUE];}$propertyPath = $this->getPropertyPath($propertyPath);$propertyValues = $this->readPropertiesUntil($zval, $propertyPath, $propertyPath->getLength(), $this->ignoreInvalidIndices);return $propertyValues[\count($propertyValues) - 1][self::VALUE];}public function setValue(object|array &$objectOrArray, string|PropertyPathInterface $propertyPath, mixed $value): void{if (\is_object($objectOrArray) && (false === strpbrk((string) $propertyPath, '.[') || $objectOrArray instanceof \stdClass && property_exists($objectOrArray, $propertyPath))) {$zval = [self::VALUE => $objectOrArray,];try {$this->writeProperty($zval, $propertyPath, $value);return;} catch (\TypeError $e) {self::throwInvalidArgumentException($e->getMessage(), $e->getTrace(), 0, $propertyPath, $e);// It wasn't thrown in this class so rethrow itthrow $e;}}$propertyPath = $this->getPropertyPath($propertyPath);$zval = [self::VALUE => $objectOrArray,self::REF => &$objectOrArray,];$propertyValues = $this->readPropertiesUntil($zval, $propertyPath, $propertyPath->getLength() - 1);$overwrite = true;try {for ($i = \count($propertyValues) - 1; 0 <= $i; --$i) {$zval = $propertyValues[$i];unset($propertyValues[$i]);// You only need set value for current element if:// 1. it's the parent of the last index element// OR// 2. its child is not passed by reference//// This may avoid unnecessary value setting process for array elements.// For example:// '[a][b][c]' => 'old-value'// If you want to change its value to 'new-value',// you only need set value for '[a][b][c]' and it's safe to ignore '[a][b]' and '[a]'if ($overwrite) {$property = $propertyPath->getElement($i);if ($propertyPath->isIndex($i)) {if ($overwrite = !isset($zval[self::REF])) {$ref = &$zval[self::REF];$ref = $zval[self::VALUE];}$this->writeIndex($zval, $property, $value);if ($overwrite) {$zval[self::VALUE] = $zval[self::REF];}} else {$this->writeProperty($zval, $property, $value);}// if current element is an object// OR// if current element's reference chain is not broken - current element// as well as all its ancients in the property path are all passed by reference,// then there is no need to continue the value setting processif (\is_object($zval[self::VALUE]) || isset($zval[self::IS_REF_CHAINED])) {break;}}$value = $zval[self::VALUE];}} catch (\TypeError $e) {self::throwInvalidArgumentException($e->getMessage(), $e->getTrace(), 0, $propertyPath, $e);// It wasn't thrown in this class so rethrow itthrow $e;}}private static function throwInvalidArgumentException(string $message, array $trace, int $i, string $propertyPath, ?\Throwable $previous = null): void{if (!isset($trace[$i]['file']) || __FILE__ !== $trace[$i]['file']) {return;}if (preg_match('/^\S+::\S+\(\): Argument #\d+ \(\$\S+\) must be of type (\S+), (\S+) given/', $message, $matches)) {[, $expectedType, $actualType] = $matches;throw new InvalidTypeException($expectedType, $actualType, $propertyPath, $previous);}if (preg_match('/^Cannot assign (\S+) to property \S+::\$\S+ of type (\S+)$/', $message, $matches)) {[, $actualType, $expectedType] = $matches;throw new InvalidTypeException($expectedType, $actualType, $propertyPath, $previous);}}public function isReadable(object|array $objectOrArray, string|PropertyPathInterface $propertyPath): bool{if (!$propertyPath instanceof PropertyPathInterface) {$propertyPath = new PropertyPath($propertyPath);}try {$zval = [self::VALUE => $objectOrArray,];// handle stdClass with properties with a dot in the nameif ($objectOrArray instanceof \stdClass && str_contains($propertyPath, '.') && property_exists($objectOrArray, $propertyPath)) {$this->readProperty($zval, $propertyPath, $this->ignoreInvalidProperty);} else {$this->readPropertiesUntil($zval, $propertyPath, $propertyPath->getLength(), $this->ignoreInvalidIndices);}return true;} catch (AccessException|UnexpectedTypeException) {return false;}}public function isWritable(object|array $objectOrArray, string|PropertyPathInterface $propertyPath): bool{$propertyPath = $this->getPropertyPath($propertyPath);try {$zval = [self::VALUE => $objectOrArray,];// handle stdClass with properties with a dot in the nameif ($objectOrArray instanceof \stdClass && str_contains($propertyPath, '.') && property_exists($objectOrArray, $propertyPath)) {$this->readProperty($zval, $propertyPath, $this->ignoreInvalidProperty);return true;}$propertyValues = $this->readPropertiesUntil($zval, $propertyPath, $propertyPath->getLength() - 1);for ($i = \count($propertyValues) - 1; 0 <= $i; --$i) {$zval = $propertyValues[$i];unset($propertyValues[$i]);if ($propertyPath->isIndex($i)) {if (!$zval[self::VALUE] instanceof \ArrayAccess && !\is_array($zval[self::VALUE])) {return false;}} elseif (!\is_object($zval[self::VALUE]) || !$this->isPropertyWritable($zval[self::VALUE], $propertyPath->getElement($i))) {return false;}if (\is_object($zval[self::VALUE])) {return true;}}return true;} catch (AccessException|UnexpectedTypeException) {return false;}}/*** Reads the path from an object up to a given path index.** @throws UnexpectedTypeException if a value within the path is neither object nor array* @throws NoSuchIndexException If a non-existing index is accessed*/private function readPropertiesUntil(array $zval, PropertyPathInterface $propertyPath, int $lastIndex, bool $ignoreInvalidIndices = true): array{if (!\is_object($zval[self::VALUE]) && !\is_array($zval[self::VALUE])) {throw new UnexpectedTypeException($zval[self::VALUE], $propertyPath, 0);}// Add the root object to the list$propertyValues = [$zval];for ($i = 0; $i < $lastIndex; ++$i) {$property = $propertyPath->getElement($i);$isIndex = $propertyPath->isIndex($i);$isNullSafe = $propertyPath->isNullSafe($i);if ($isIndex) {// Create missing nested arrays on demandif (($zval[self::VALUE] instanceof \ArrayAccess && !$zval[self::VALUE]->offsetExists($property))|| (\is_array($zval[self::VALUE]) && !isset($zval[self::VALUE][$property]) && !\array_key_exists($property, $zval[self::VALUE]))) {if (!$ignoreInvalidIndices && !$isNullSafe) {if (!\is_array($zval[self::VALUE])) {if (!$zval[self::VALUE] instanceof \Traversable) {throw new NoSuchIndexException(\sprintf('Cannot read index "%s" while trying to traverse path "%s".', $property, (string) $propertyPath));}$zval[self::VALUE] = iterator_to_array($zval[self::VALUE]);}throw new NoSuchIndexException(\sprintf('Cannot read index "%s" while trying to traverse path "%s". Available indices are "%s".', $property, (string) $propertyPath, print_r(array_keys($zval[self::VALUE]), true)));}if ($i + 1 < $propertyPath->getLength()) {if (isset($zval[self::REF])) {$zval[self::VALUE][$property] = [];$zval[self::REF] = $zval[self::VALUE];} else {$zval[self::VALUE] = [$property => []];}}}$zval = $this->readIndex($zval, $property);} elseif ($isNullSafe && !\is_object($zval[self::VALUE])) {$zval[self::VALUE] = null;} else {$zval = $this->readProperty($zval, $property, $this->ignoreInvalidProperty, $isNullSafe);}// the final value of the path must not be validatedif ($i + 1 < $propertyPath->getLength() && !\is_object($zval[self::VALUE]) && !\is_array($zval[self::VALUE]) && !$isNullSafe) {throw new UnexpectedTypeException($zval[self::VALUE], $propertyPath, $i + 1);}if (isset($zval[self::REF]) && (0 === $i || isset($propertyValues[$i - 1][self::IS_REF_CHAINED]))) {// Set the IS_REF_CHAINED flag to true if:// current property is passed by reference and// it is the first element in the property path or// the IS_REF_CHAINED flag of its parent element is true// Basically, this flag is true only when the reference chain from the top element to current element is not broken$zval[self::IS_REF_CHAINED] = true;}$propertyValues[] = $zval;if ($isNullSafe && null === $zval[self::VALUE]) {break;}}return $propertyValues;}/*** Reads a key from an array-like structure.** @throws NoSuchIndexException If the array does not implement \ArrayAccess or it is not an array*/private function readIndex(array $zval, string|int $index): array{if (!$zval[self::VALUE] instanceof \ArrayAccess && !\is_array($zval[self::VALUE])) {throw new NoSuchIndexException(\sprintf('Cannot read index "%s" from object of type "%s" because it doesn\'t implement \ArrayAccess.', $index, get_debug_type($zval[self::VALUE])));}$result = self::RESULT_PROTO;if (isset($zval[self::VALUE][$index])) {$result[self::VALUE] = $zval[self::VALUE][$index];if (!isset($zval[self::REF])) {// Save creating references when doing read-only lookups} elseif (\is_array($zval[self::VALUE])) {$result[self::REF] = &$zval[self::REF][$index];} elseif (\is_object($result[self::VALUE])) {$result[self::REF] = $result[self::VALUE];}}return $result;}/*** Reads the value of a property from an object.** @throws NoSuchPropertyException If $ignoreInvalidProperty is false and the property does not exist or is not public*/private function readProperty(array $zval, string $property, bool $ignoreInvalidProperty = false, bool $isNullSafe = false): array{if (!\is_object($zval[self::VALUE])) {throw new NoSuchPropertyException(\sprintf('Cannot read property "%s" from an array. Maybe you intended to write the property path as "[%1$s]" instead.', $property));}$result = self::RESULT_PROTO;$object = $zval[self::VALUE];$class = $object::class;$access = $this->getReadInfo($class, $property);if (null !== $access) {$name = $access->getName();$type = $access->getType();try {if (PropertyReadInfo::TYPE_METHOD === $type) {try {$result[self::VALUE] = $object->$name();} catch (\TypeError $e) {[$trace] = $e->getTrace();// handle uninitialized properties in PHP >= 7if (__FILE__ === ($trace['file'] ?? null)&& $name === $trace['function']&& $object instanceof $trace['class']&& preg_match('/Return value (?:of .*::\w+\(\) )?must be of (?:the )?type (\w+), null returned$/', $e->getMessage(), $matches)) {throw new UninitializedPropertyException(\sprintf('The method "%s::%s()" returned "null", but expected type "%3$s". Did you forget to initialize a property or to make the return type nullable using "?%3$s"?', get_debug_type($object), $name, $matches[1]), 0, $e);}throw $e;}} elseif (PropertyReadInfo::TYPE_PROPERTY === $type) {if (!isset($object->$name) && !\array_key_exists($name, (array) $object)) {try {$r = new \ReflectionProperty($class, $name);if ($r->isPublic() && !$r->hasType()) {throw new UninitializedPropertyException(\sprintf('The property "%s::$%s" is not initialized.', $class, $name));}} catch (\ReflectionException $e) {if (!$ignoreInvalidProperty) {throw new NoSuchPropertyException(\sprintf('Can\'t get a way to read the property "%s" in class "%s".', $property, $class));}}}$result[self::VALUE] = $object->$name;if (isset($zval[self::REF]) && $access->canBeReference()) {$result[self::REF] = &$object->$name;}}} catch (\Error $e) {// handle uninitialized properties in PHP >= 7.4if (preg_match('/^Typed property ([\w\\\\@]+)::\$(\w+) must not be accessed before initialization$/', $e->getMessage(), $matches) || preg_match('/^Cannot access uninitialized non-nullable property ([\w\\\\@]+)::\$(\w+) by reference$/', $e->getMessage(), $matches)) {$r = new \ReflectionProperty(str_contains($matches[1], '@anonymous') ? $class : $matches[1], $matches[2]);$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.', $matches[1], $r->getName(), $type), 0, $e);}throw $e;}} elseif (property_exists($object, $property) && \array_key_exists($property, (array) $object)) {$result[self::VALUE] = $object->$property;if (isset($zval[self::REF])) {$result[self::REF] = &$object->$property;}} elseif ($isNullSafe) {$result[self::VALUE] = null;} elseif (!$ignoreInvalidProperty) {throw new NoSuchPropertyException(\sprintf('Can\'t get a way to read the property "%s" in class "%s".', $property, $class));}// Objects are always passed around by referenceif (isset($zval[self::REF]) && \is_object($result[self::VALUE])) {$result[self::REF] = $result[self::VALUE];}return $result;}/*** Guesses how to read the property value.*/private function getReadInfo(string $class, string $property): ?PropertyReadInfo{$key = str_replace('\\', '.', $class).'..'.$property;if (isset($this->readPropertyCache[$key])) {return $this->readPropertyCache[$key];}if ($this->cacheItemPool) {$item = $this->cacheItemPool->getItem(self::CACHE_PREFIX_READ.rawurlencode($key));if ($item->isHit()) {return $this->readPropertyCache[$key] = $item->get();}}$accessor = $this->readInfoExtractor->getReadInfo($class, $property, ['enable_getter_setter_extraction' => true,'enable_magic_methods_extraction' => $this->magicMethodsFlags,'enable_constructor_extraction' => false,]);if (isset($item)) {$this->cacheItemPool->save($item->set($accessor));}return $this->readPropertyCache[$key] = $accessor;}/*** Sets the value of an index in a given array-accessible value.** @throws NoSuchIndexException If the array does not implement \ArrayAccess or it is not an array*/private function writeIndex(array $zval, string|int $index, mixed $value): void{if (!$zval[self::VALUE] instanceof \ArrayAccess && !\is_array($zval[self::VALUE])) {throw new NoSuchIndexException(\sprintf('Cannot modify index "%s" in object of type "%s" because it doesn\'t implement \ArrayAccess.', $index, get_debug_type($zval[self::VALUE])));}$zval[self::REF][$index] = $value;}/*** Sets the value of a property in the given object.** @throws NoSuchPropertyException if the property does not exist or is not public*/private function writeProperty(array $zval, string $property, mixed $value, bool $recursive = false): void{if (!\is_object($zval[self::VALUE])) {throw new NoSuchPropertyException(\sprintf('Cannot write property "%s" to an array. Maybe you should write the property path as "[%1$s]" instead?', $property));}$object = $zval[self::VALUE];$class = $object::class;$mutator = $this->getWriteInfo($class, $property, $value);try {if (PropertyWriteInfo::TYPE_NONE !== $mutator->getType()) {$type = $mutator->getType();if (PropertyWriteInfo::TYPE_METHOD === $type) {$object->{$mutator->getName()}($value);} elseif (PropertyWriteInfo::TYPE_PROPERTY === $type) {$object->{$mutator->getName()} = $value;} elseif (PropertyWriteInfo::TYPE_ADDER_AND_REMOVER === $type) {$this->writeCollection($zval, $property, $value, $mutator->getAdderInfo(), $mutator->getRemoverInfo());}} elseif ($object instanceof \stdClass && property_exists($object, $property)) {$object->$property = $value;} elseif (!$this->ignoreInvalidProperty) {if ($mutator->hasErrors()) {throw new NoSuchPropertyException(implode('. ', $mutator->getErrors()).'.');}throw new NoSuchPropertyException(\sprintf('Could not determine access type for property "%s" in class "%s".', $property, get_debug_type($object)));}} catch (\TypeError $e) {if ($recursive || !$value instanceof \DateTimeInterface || !\in_array($value::class, ['DateTime', 'DateTimeImmutable'], true) || __FILE__ !== ($e->getTrace()[0]['file'] ?? null)) {throw $e;}$value = $value instanceof \DateTimeImmutable ? \DateTime::createFromImmutable($value) : \DateTimeImmutable::createFromMutable($value);try {$this->writeProperty($zval, $property, $value, true);} catch (\TypeError) {throw $e; // throw the previous error}}}/*** Adjusts a collection-valued property by calling add*() and remove*() methods.*/private function writeCollection(array $zval, string $property, iterable $collection, PropertyWriteInfo $addMethod, PropertyWriteInfo $removeMethod): void{// At this point the add and remove methods have been found$previousValue = $this->readProperty($zval, $property);$previousValue = $previousValue[self::VALUE];$removeMethodName = $removeMethod->getName();$addMethodName = $addMethod->getName();if ($previousValue instanceof \Traversable) {$previousValue = iterator_to_array($previousValue);}if ($previousValue && \is_array($previousValue)) {if (\is_object($collection)) {$collection = iterator_to_array($collection);}foreach ($previousValue as $key => $item) {if (!\in_array($item, $collection, true)) {unset($previousValue[$key]);$zval[self::VALUE]->$removeMethodName($item);}}} else {$previousValue = false;}foreach ($collection as $item) {if (!$previousValue || !\in_array($item, $previousValue, true)) {$zval[self::VALUE]->$addMethodName($item);}}}private function getWriteInfo(string $class, string $property, mixed $value): PropertyWriteInfo{$useAdderAndRemover = is_iterable($value);$key = str_replace('\\', '.', $class).'..'.$property.'..'.(int) $useAdderAndRemover;if (isset($this->writePropertyCache[$key])) {return $this->writePropertyCache[$key];}if ($this->cacheItemPool) {$item = $this->cacheItemPool->getItem(self::CACHE_PREFIX_WRITE.rawurlencode($key));if ($item->isHit()) {return $this->writePropertyCache[$key] = $item->get();}}$mutator = $this->writeInfoExtractor->getWriteInfo($class, $property, ['enable_getter_setter_extraction' => true,'enable_magic_methods_extraction' => $this->magicMethodsFlags,'enable_constructor_extraction' => false,'enable_adder_remover_extraction' => $useAdderAndRemover,]);if (isset($item)) {$this->cacheItemPool->save($item->set($mutator));}return $this->writePropertyCache[$key] = $mutator;}/*** Returns whether a property is writable in the given object.*/private function isPropertyWritable(object $object, string $property): bool{if ($object instanceof \stdClass && property_exists($object, $property)) {return true;}$mutatorForArray = $this->getWriteInfo($object::class, $property, []);if (PropertyWriteInfo::TYPE_PROPERTY === $mutatorForArray->getType()) {return 'public' === $mutatorForArray->getVisibility();}if (PropertyWriteInfo::TYPE_NONE !== $mutatorForArray->getType()) {return true;}$mutator = $this->getWriteInfo($object::class, $property, '');return PropertyWriteInfo::TYPE_NONE !== $mutator->getType();}/*** Gets a PropertyPath instance and caches it.*/private function getPropertyPath(string|PropertyPath $propertyPath): PropertyPath{if ($propertyPath instanceof PropertyPathInterface) {// Don't call the copy constructor has it is not needed herereturn $propertyPath;}if (isset($this->propertyPathCache[$propertyPath])) {return $this->propertyPathCache[$propertyPath];}if ($this->cacheItemPool) {$item = $this->cacheItemPool->getItem(self::CACHE_PREFIX_PROPERTY_PATH.rawurlencode($propertyPath));if ($item->isHit()) {return $this->propertyPathCache[$propertyPath] = $item->get();}}$propertyPathInstance = new PropertyPath($propertyPath);if (isset($item)) {$item->set($propertyPathInstance);$this->cacheItemPool->save($item);}return $this->propertyPathCache[$propertyPath] = $propertyPathInstance;}/*** Creates the APCu adapter if applicable.** @throws \LogicException When the Cache Component isn't available*/public static function createCache(string $namespace, int $defaultLifetime, string $version, ?LoggerInterface $logger = null): AdapterInterface{if (!class_exists(ApcuAdapter::class)) {throw new \LogicException(\sprintf('The Symfony Cache component must be installed to use "%s()".', __METHOD__));}if (!ApcuAdapter::isSupported()) {return new NullAdapter();}$apcu = new ApcuAdapter($namespace, $defaultLifetime / 5, $version);if ('cli' === \PHP_SAPI && !filter_var(\ini_get('apc.enable_cli'), \FILTER_VALIDATE_BOOL)) {$apcu->setLogger(new NullLogger());} elseif (null !== $logger) {$apcu->setLogger($logger);}return $apcu;}}