International PHP Conference Munich 2021

The MongoDB\BSON\Undefined class (deprecated)

(mongodb >=1.4.0)

Introduction

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.

Synopsis de la classe

final MongoDB\BSON\Undefined implements MongoDB\BSON\Type , Serializable , JsonSerializable {
/* Méthodes */
final private __construct()
final public jsonSerialize(): mixed
final public serialize(): string
final public __toString(): string
final public unserialize(string $serialized): void
}

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