# The MongoDB\BSON\Symbol class (deprecated)

(mongodb >=1.4.0)

## はじめに

BSON type for the "Symbol" type. This BSON type is deprecated, and this class can not be instantiated. It will be created from a BSON symbol type while converting BSON to PHP, and can also be converted back into BSON while storing documents in the database.

## クラス概要

final MongoDB\BSON\Symbol implements MongoDB\BSON\Type , Serializable , JsonSerializable {
/* メソッド */
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
}

## 目次

- MongoDB\BSON\Symbol::__construct — Construct a new Symbol (unused)
- MongoDB\BSON\Symbol::jsonSerialize — Returns a representation that can be converted to JSON
- MongoDB\BSON\Symbol::serialize — Serialize a Symbol
- MongoDB\BSON\Symbol::__toString — Returns the Symbol as a string
- MongoDB\BSON\Symbol::unserialize — Unserialize a Symbol