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
class MongoDB\BSON\Undefined
implements
MongoDB\BSON\Type, Serializable, JsonSerializable, Stringable {
/* Methods */
}Table of Contents
- 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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