A Symfony2 Custom field type with month and year selectors which is useful for applications reading Expiry Month and Year inputs such as Credit Card Expiration.

In composer.json, add the repository and the bundle.

 "require": {
        "mindfire/expiryfieldbundle": "*"
    }

Register the bundle in AppKernel.php

new Mindfire\Bundle\ExpiryFieldBundle\MindfireExpiryFieldBundle(),

Add the parameter to specify the object manager:(Default value is doctrine.orm.entity_manager)

expiry.object_manager_id: doctrine_mongodb.odm.document_manager

In your form type,

$builder->add('ccExpiration', 'expiry');

This bundle is available under the MIT license.