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## Using Gedmo Doctrine Extensions in Zend Framework 2
Assuming you are familiar with [DoctrineModule](https://github.com/doctrine/DoctrineModule) (if not, you should definitely start there!), integrating Doctrine Extensions with Zend Framework 2 application is super-easy.
### Composer
Add DoctrineModule, DoctrineORMModule and DoctrineExtensions to composer.json file:
```json
{
"require": {
"php": ">=5.3.3",
"zendframework/zendframework": "2.1.*",
"doctrine/doctrine-module": "0.*",
"doctrine/doctrine-orm-module": "0.*",
"gedmo/doctrine-extensions": "2.3.*",
}
}
```
Then run `composer.phar update`.
### Configuration
Once libraries are installed, you can tell Doctrine which behaviors you want to use, by declaring appropriate subscribers in Event Manager settings. Together with [entity mapping options](https://github.com/doctrine/DoctrineORMModule#entities-settings), your module configuration file should look like following:
```php
return array(
'doctrine' => array(
'eventmanager' => array(
'orm_default' => array(
'subscribers' => array(
// pick any listeners you need
'Gedmo\Tree\TreeListener',
'Gedmo\Timestampable\TimestampableListener',
'Gedmo\Sluggable\SluggableListener',
'Gedmo\Loggable\LoggableListener',
'Gedmo\Sortable\SortableListener'
),
),
),
'driver' => array(
'my_driver' => array(
'class' => 'Doctrine\ORM\Mapping\Driver\AnnotationDriver',
'cache' => 'array',
'paths' => array(__DIR__ . '/../src/MyModule/Entity')
),
'orm_default' => array(
'drivers' => array(
'MyModule\Entity' => 'my_driver'
),
),
),
),
);
```
That's it! From now on you can use Gedmo annotations, just as it is described in [documentation](https://github.com/mtymek/DoctrineExtensions/blob/master/doc/annotations.md).
#### Note: You may need to provide additional settings for some of the available listeners.
For instance, `Translatable` requires additional metadata driver in order to manage translation tables:
```php
return array(
'doctrine' => array(
'eventmanager' => array(
'orm_default' => array(
'subscribers' => array(
'Gedmo\Translatable\TranslatableListener',
),
),
),
'driver' => array(
'my_driver' => array(
'class' => 'Doctrine\ORM\Mapping\Driver\AnnotationDriver',
'cache' => 'array',
'paths' => array(__DIR__ . '/../src/MyModule/Entity')
),
'translatable_metadata_driver' => array(
'class' => 'Doctrine\ORM\Mapping\Driver\AnnotationDriver',
'cache' => 'array',
'paths' => array(
'vendor/gedmo/doctrine-extensions/lib/Gedmo/Translatable/Entity',
),
),
'orm_default' => array(
'drivers' => array(
'MyModule\Entity' => 'my_driver',
'Gedmo\Translatable\Entity' => 'translatable_metadata_driver',
),
),
),
),
);
```
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