The MongoDB\BSON\Undefined class

(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

final class MongoDB\BSON\Undefined implements MongoDB\BSON\Type, JsonSerializable, Stringable {

/* 方法 */

final private __construct()

final public jsonSerialize(): mixed

final public __toString(): string

}

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版本	说明
PECL mongodb 2.0.0	此类不再实现 Serializable 接口。
PECL mongodb 1.12.0	Implements Stringable for PHP 8.0+.

The MongoDB\BSON\Undefined class

简介

类摘要

更新日志

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