The MongoDB\BSON\Undefined class

(mongodb >=1.4.0)

Introducción

BSON type for the "Undefined" type. This BSON type is deprecated, and this class can not be instantiated. It will be created from a BSON undefined type while converting BSON to PHP, and can also be converted back into BSON while storing documents in the database.

Sinopsis de la Clase

final class MongoDB\BSON\Undefined implements MongoDB\BSON\Type, Serializable, JsonSerializable, Stringable {

/* Métodos */

final private __construct()

final public jsonSerialize(): mixed

final public serialize(): string

final public __toString(): string

final public unserialize(string $data): void

}

Historial de cambios

Versión	Descripción
PECL mongodb 1.12.0	Implements Stringable for PHP 8.0+.

Tabla de contenidos

MongoDB\BSON\Undefined::__construct — Construct a new Undefined (unused)
MongoDB\BSON\Undefined::jsonSerialize — Returns a representation that can be converted to JSON
MongoDB\BSON\Undefined::serialize — Serialize a Undefined
MongoDB\BSON\Undefined::__toString — Returns an empty string
MongoDB\BSON\Undefined::unserialize — Unserialize a Undefined

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