The MongoDB\BSON\Undefined class (deprecated)
(mongodb >=1.4.0)
简介
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.
类摘要
/* 方法 */
}
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
