MongoDB\BSON\ObjectID
MongoDB\BSON\ObjectID::__toString
MongoDB\BSON\ObjectID
PHP Manual

# MongoDB\BSON\ObjectID::__construct

(mongodb >=1.0.0)

MongoDB\BSON\ObjectID::__construct — Construct a new ObjectID

### Description

final public MongoDB\BSON\ObjectID::__construct ([ string `$id` ] )

### Parameters

`id` (string)

  A 24-character hexadecimal string. If not provided, the driver will generate an ObjectID.

### Errors/Exceptions

- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
- Throws MongoDB\Driver\Exception\InvalidArgumentException if `id` is not a 24-character hexadecimal string.

### Examples

Example #1 MongoDB\BSON\ObjectID::__construct() example

`<?php
var_dump(new MongoDB\BSON\ObjectId());
var_dump(new MongoDB\BSON\ObjectId('000000000000000000000001'));
?>`

The above example will output something similar to:

    object(MongoDB\BSON\ObjectID)#1 (1) {
      ["oid"]=>
      string(24) "56732d3dda14d81214634921"
    }
    object(MongoDB\BSON\ObjectID)#1 (1) {
      ["oid"]=>
      string(24) "000000000000000000000001"
    }

### See Also

- » ObjectID Reference
- » BSON Types: ObjectID

MongoDB\BSON\ObjectID
MongoDB\BSON\ObjectID::__toString
MongoDB\BSON\ObjectID
PHP Manual