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.

Class synopsis

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

Table of Contents