ReflectionClass

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

( excerpt from http://php.net/manual/en/class.reflectionclass.php )

The ReflectionClass class reports information about a class.

Interface Synopsis

class ReflectionClass implements Reflector {...}

Public Methods

• ::export(mixed $argument, bool $return = false): ?string
  ( excerpt from http://php.net/manual/en/reflectionclass.export.php )

• ->__clone()

• ->__construct(mixed $name_or_obj)
  ( excerpt from http://php.net/manual/en/reflectionclass.construct.php )

• ->__toString(): string
  ( excerpt from http://php.net/manual/en/reflectionclass.tostring.php )

• ->getAbstractConstantNames(): darray<string>
  ( excerpt from http://php.net/manual/en/reflectionclass.getabstractconstantnames.php )

• ->getAttribute(string $name): ?varray<mixed>

• ->getAttributeClass<T as HH\ClassLikeAttribute>(classname<T> $c): ?T

• ->getAttributes(): darray<string, varray<mixed>>

• ->getAttributesNamespaced(): darray<string, varray<mixed>>

• ->getAttributesRecursiveNamespaced(): darray<string, varray<mixed>>

• ->getConstant(string $name): mixed
  ( excerpt from http://php.net/manual/en/reflectionclass.getconstant.php )

• ->getConstants(): darray<string, mixed>
  ( excerpt from http://php.net/manual/en/reflectionclass.getconstants.php )

• ->getConstructor(): ?ReflectionMethod
  ( excerpt from http://php.net/manual/en/reflectionclass.getconstructor.php )

• ->getDefaultProperties(): darray<string, mixed>
  ( excerpt from http://php.net/manual/en/reflectionclass.getdefaultproperties.php )

• ->getDocComment(): mixed
  ( excerpt from http://php.net/manual/en/reflectionclass.getdoccomment.php )

• ->getEndLine(): int
  ( excerpt from http://php.net/manual/en/reflectionclass.getendline.php )

• ->getEnumUnderlyingType(): string
  Returns the underlying type of this ReflectionClass, given that it represents an enum

• ->getExtension(): ?ReflectionExtension
  ( excerpt from http://php.net/manual/en/reflectionclass.getextension.php )

• ->getExtensionName(): string
  ( excerpt from http://php.net/manual/en/reflectionclass.getextensionname.php )

• ->getFile(): ReflectionFile
  Gets the declaring file for the reflected class

• ->getFileName(): mixed
  ( excerpt from http://php.net/manual/en/reflectionclass.getfilename.php )

• ->getInterfaceNames(): varray<string>
  ( excerpt from http://php.net/manual/en/reflectionclass.getinterfacenames.php )

• ->getInterfaces(): darray<string, ReflectionClass>
  ( excerpt from http://php.net/manual/en/reflectionclass.getinterfaces.php )

• ->getMethod(string $name): ReflectionMethod
  ( excerpt from http://php.net/manual/en/reflectionclass.getmethod.php )

• ->getMethods(?int $filter = NULL): varray<ReflectionMethod>
  ( excerpt from http://php.net/manual/en/reflectionclass.getmethods.php )

• ->getModifiers(): int
  ( excerpt from http://php.net/manual/en/reflectionclass.getmodifiers.php )

• ->getModule(): ?string

• ->getName(): string

• ->getNamespaceName(): string
  ( excerpt from http://php.net/manual/en/reflectionclass.functionabstract.php )

• ->getParentClass(): mixed
  ( excerpt from http://php.net/manual/en/reflectionclass.getparentclass.php )

• ->getProperties(int $filter = 65535): varray<ReflectionProperty>
  ( excerpt* http://php.net/manual/en/reflectionclass.getproperties.php )

• ->getProperty(string $name): ReflectionProperty
  ( excerpt from http://php.net/manual/en/reflectionclass.getproperty.php )

• ->getReifiedTypeParamInfo(): varray<shape('is_reified' => bool, 'is_soft' => bool, 'is_warn' => bool)>

• ->getRequirementNames(): varray<string>
  Gets the list of implemented interfaces/inherited classes needed to implement an interface / use a trait

• ->getRequirements(): darray<string, ReflectionClass>
  Gets ReflectionClass-es for the requirements of this class

• ->getShortName(): string
  ( excerpt from http://php.net/manual/en/reflectionclass.getshortname.php )

• ->getStartLine(): int
  ( excerpt from http://php.net/manual/en/reflectionclass.getstartline.php )

• ->getStaticProperties(): darray<string, mixed>
  ( excerpt from http://php.net/manual/en/reflectionclass.getstaticproperties.php )

• ->getStaticPropertyValue(string $name, mixed ...$def_value = NULL): mixed
  ( excerpt from http://php.net/manual/en/reflectionclass.getstaticpropertyvalue.php )

• ->getTraitAliases(): darray<string, string>

• ->getTraitNames(): varray<string>
  ( excerpt from http://php.net/manual/en/reflectionclass.gettraitnames.php )

• ->getTraits(): darray<string, ReflectionClass>
  ( excerpt from http://php.net/manual/en/reflectionclass.gettraits.php )

• ->getTypeConstant(string $name): ReflectionTypeConstant

• ->getTypeConstants(): varray<ReflectionTypeConstant>

• ->hasAttribute(string $name): bool

• ->hasConstant(string $name): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.hasconstant.php )

• ->hasMethod(string $name): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.hasmethod.php )

• ->hasProperty(string $name): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.hasproperty.php )

• ->hasTypeConstant(string $name): bool

• ->implementsInterface(string $interface): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.implementsinterface.php )

• ->inNamespace(): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.innamespace.php )

• ->isAbstract(): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.isabstract.php )

• ->isCloneable(): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.iscloneable.php )

• ->isEnum(): bool
  Returns whether this ReflectionClass represents an enum

• ->isFinal(): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.isfinal.php )

• ->isHack(): bool

• ->isInstance(mixed $obj): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.isinstance.php )

• ->isInstantiable(): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.isinstantiable.php )

• ->isInterface(): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.isinterface.php )

• ->isInternal(): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.isinternal.php )

• ->isInternalToModule(): bool
  Checks if a class is internal

• ->isIterateable(): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.isiterateable.php )

• ->isSubclassOf(mixed $class): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.issubclassof.php )

• ->isTrait(): bool
  ( excerpt from http://php.net/manual/en/reflectionclass.istrait.php )

• ->isUserDefined(): bool

• ->newInstance(...$args)
  ( excerpt from http://php.net/manual/en/reflectionclass.newinstance.php )

• ->newInstanceArgs(Traversable<mixed> $args = vec [ ])
  ( excerpt from http://php.net/manual/en/reflectionclass.newinstanceargs.php )

• ->newInstanceWithoutConstructor()
  ( excerpt from http://php.net/manual/en/reflectionclass.newinstancewithoutconstructor.php )

• ->setStaticPropertyValue(string $name, mixed $value): void
  ( excerpt from http://php.net/manual/en/reflectionclass.setstaticpropertyvalue.php )