La clase ReflectionClass

(PHP 5, PHP 7, PHP 8)

Introducción

La clase ReflectionClass proporciona información sobre una clase.

Sinopsis de la Clase

class ReflectionClass implements Reflector {
/* Constantes */
public const int IS_IMPLICIT_ABSTRACT;
public const int IS_FINAL;
public const int IS_READONLY;
public const int SKIP_DESTRUCTOR;
/* Propiedades */
public string $name;
/* Métodos */
public function __construct(object|string $objectOrClass)
public static function export(mixed $argumento, bool $return = false): string
public function getAttributes(?string $name = null, int $flags = 0): array
public function getConstant(string $name): mixed
public function getConstants(?int $filter = null): array
public function getDefaultProperties(): array
public function getDocComment(): string|false
public function getEndLine(): int|false
public function getFileName(): string|false
public function getInterfaceNames(): array
public function getInterfaces(): array
public function getLazyInitializer(object $object): ?callable
public function getMethod(string $name): ReflectionMethod
public function getMethods(?int $filter = null): array
public function getModifiers(): int
public function getName(): string
public function getNamespaceName(): string
public function getProperties(?int $filter = null): array
public function getProperty(string $name): ReflectionProperty
public function getReflectionConstants(?int $filter = null): array
public function getShortName(): string
public function getStartLine(): int|false
public function getStaticProperties(): array
public function getStaticPropertyValue(string $name, mixed &$def_value = ?): mixed
public function getTraitAliases(): array
public function getTraitNames(): array
public function getTraits(): array
public function hasConstant(string $name): bool
public function hasMethod(string $name): bool
public function hasProperty(string $name): bool
public function implementsInterface(ReflectionClass|string $interface): bool
public function initializeLazyObject(object $object): object
public function inNamespace(): bool
public function isAbstract(): bool
public function isAnonymous(): bool
public function isCloneable(): bool
public function isEnum(): bool
public function isFinal(): bool
public function isInstance(object $object): bool
public function isInstantiable(): bool
public function isInterface(): bool
public function isInternal(): bool
public function isIterable(): bool
public function isReadOnly(): bool
public function isSubclassOf(ReflectionClass|string $class): bool
public function isTrait(): bool
public function isUninitializedLazyObject(object $object): bool
public function isUserDefined(): bool
public function markLazyObjectAsInitialized(object $object): object
public function newInstance(mixed ...$args): object
public function newInstanceArgs(array $args = []): ?object
public function newLazyGhost(callable $initializer, int $options = 0): object
public function newLazyProxy(callable $factory, int $options = 0): object
public function resetAsLazyGhost(object $object, callable $initializer, int $options = 0): void
public function resetAsLazyProxy(object $object, callable $factory, int $options = 0): void
public function setStaticPropertyValue(string $name, mixed $value): void
public function __toString(): string
}

Propiedades

name

Nombre de la clase. Solo lectura, lanza una ReflectionException al intentar escribir.

ReflectionClass::SKIP_INITIALIZATION_ON_SERIALIZE int
Indica que serialize() no debe desencadenar la inicialización de un objeto en carga perezosa.
ReflectionClass::SKIP_DESTRUCTOR int
Indica que un destructor de objeto no debe ser llamado al reinicializarlo como objeto perezoso.

Constantes predefinidas

Modificadores de ReflectionClass

ReflectionClass::IS_IMPLICIT_ABSTRACT int

Indica si la clase es abstracta porque contiene métodos abstractos.

ReflectionClass::IS_EXPLICIT_ABSTRACT int

Indica si la clase es abstracta debido a su definición.

ReflectionClass::IS_FINAL int

Indica si la clase es final.

ReflectionClass::IS_READONLY int

Indica si la clase es readonly.

Historial de cambios

Versión Descripción
8.4.0 Las constantes de clase ahora están tipadas.
8.0.0 ReflectionClass::export() ha sido eliminada.

Tabla de contenidos

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User Contributed Notes 4 notes

up
40
danbettles at yahoo dot co dot uk
17 years ago
To reflect on a namespaced class in PHP 5.3, you must always specify the fully qualified name of the class - even if you've aliased the containing namespace using a "use" statement.

So instead of:

<?php
use App\Core as Core;
$oReflectionClass = new ReflectionClass('Core\Singleton');
?>

You would type:

<?php
use App\Core as Core;
$oReflectionClass = new ReflectionClass('App\Core\Singleton');
?>
up
25
Anonymous
14 years ago
Unserialized reflection class cause error.

<?php
/**
 * abc
 */
class a{}

$ref = new ReflectionClass('a');
$ref = unserialize(serialize($ref));
var_dump($ref);
var_dump($ref->getDocComment());

// object(ReflectionClass)#2 (1) {
//   ["name"]=>
//   string(1) "a"
// }
// PHP Fatal error:  ReflectionClass::getDocComment(): Internal error: Failed to retrieve the reflection object
?>
up
21
Anonymous
13 years ago
Reflecting an alias will give you a reflection of the resolved class.

<?php

class X {
    
}

class_alias('X','Y');
class_alias('Y','Z');
$z = new ReflectionClass('Z');
echo $z->getName(); // X

?>
up
4
featherbits
5 years ago
In order to get class attributes look here (php8)
https://www.php.net/manual/en/language.attributes.reflection.php
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