The MongoDB\BSON\Undefined class (deprecated)
(mongodb >=1.4.0)
簡介
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.
類摘要
final class MongoDB\BSON\Undefined implements MongoDB\BSON\Type, Serializable, JsonSerializable, Stringable {
/* 方法 */
}更新日誌
| 版本 | 說明 |
|---|---|
| PECL mongodb 1.12.0 | Implements Stringable for PHP 8.0+. |
目錄
- 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