MongoId to handle psudo MongoId objects (especially when dealing with json)

MongoId2.php

<?php
class MongoId2 extends MongoId {
    public function __construct($id = null) {
        if(is_array($id)) {
            $id = (object) $id;
        }

        if(is_object($id) && isset($id->{'$id'})) {
            $id = $id->{'$id'};
        }

        return parent::__construct($id);
    }
}