# MongoDB\BSON\ObjectId::serialize

(mongodb >=1.2.0)

MongoDB\BSON\ObjectId::serialize — Serialize an ObjectId

### Description

final public MongoDB\BSON\ObjectId::serialize ( ) : string

### Parameters

This function has no parameters.

### Return Values

Returns the serialized representation of the MongoDB\BSON\ObjectId.

### Errors/Exceptions

- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

### See Also

- MongoDB\BSON\ObjectId::unserialize() - Unserialize an ObjectId
- serialize() - Generates a storable representation of a value
- Serializing Objects