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The MongoDB\BSON\Undefined class (deprecated)

(mongodb >=1.4.0)

Einführung

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.

Klassenbeschreibung

final class MongoDB\BSON\Undefined implements MongoDB\BSON\Type, Serializable, JsonSerializable {
/* Methoden */
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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