Laminas API Tools Doctrine module

2.4.0 2021-06-23 23:13 UTC


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This module provides the classes for integrating Doctrine with Laminas API Tools.


Installation of this module uses composer. For composer documentation, please refer to

$ composer require laminas-api-tools/api-tools-doctrine

This library provides two modules. The first, Laminas\ApiTools\Doctrine\Server provides the classes to serve data created by the second, Laminas\ApiTools\Doctrine\Admin. The Admin module is used to create api-tools resources and the Server serves those created resources. Generally you would include Admin in your config/development.config.php and Server in your config/application.config.php.

Laminas\ApiTools\Doctrine\Server has a dependency with Phpro\DoctrineHydrationModule to handle entity hydration. See documentation and instructions on how to set up this module.


If you use laminas-component-installer, that plugin will install api-tools-doctrine, and all modules it depends on, as a module in your application configuration for you.

For Apache installations it is recommended the AllowEncodedSlashes-directive is set to On so the configuration can be read.

API Resources

NOTE! This section was/is intended for the authors of api-tools-admin-ui. While it is possible to use these instructions to manually create Laminas API Tools Doctrine resources it is strongly recommended to use the UI.


This will return metadata for the named entity which is a member of the named object manager. Querying without a name will return all metadata for the object manager.


This is a Doctrine resource route like Laminas API Tools Rest /api-tools/api/module[/:name]/rest[/:controller_service_name] To create a resource do not include [/:controller_service_name]

POST Parameters

    "objectManager": "doctrine.entitymanager.orm_default",
    "serviceName": "Artist",
    "entityClass": "Db\\Entity\\Artist",
    "routeIdentifierName": "artist_id",
    "entityIdentifierName": "id",
    "routeMatch": "/api/artist",
    "pageSizeParam": "limit", // optional, default null
    "hydratorName": "DbApi\\V1\\Rest\\Artist\\ArtistHydrator", // optional, default generated
    "hydrateByValue": true // optional, default true

Hydrating Entities by Value or Reference

By default the admin tool hydrates entities by reference by setting $config['doctrine-hydrator']['hydrator_class']['by_value'] to false.

Custom Events

It is possible to hook in on specific doctrine events of the type DoctrineResourceEvent. This way, it is possible to alter the doctrine entities or collections before or after a specific action is performed.

Supported events:

EVENT_FETCH_PRE = 'fetch.pre';
EVENT_FETCH_ALL_PRE = 'fetch-all.pre';
EVENT_CREATE_PRE = 'create.pre';
EVENT_UPDATE_PRE = 'update.pre';
EVENT_PATCH_PRE = 'patch.pre';
EVENT_PATCH_LIST_PRE = 'patch-all.pre';
EVENT_DELETE_PRE = 'delete.pre';
EVENT_DELETE_LIST_PRE = 'delete-list.pre';

Attach to events through the Shared Event Manager:

use Laminas\ApiTools\Doctrine\Server\Event\DoctrineResourceEvent;

$sharedEvents = $this->getApplication()->getEventManager()->getSharedManager();

    function(DoctrineResourceEvent $e) {
        return new ApiProblem(400, 'Stop API Creation');

It is also possible to add custom event listeners to the configuration of a single doctrine-connected resource:

'api-tools' => [
    'doctrine-connected' => [
        'Api\\V1\\Rest\\User\\UserResource' => [
            // ...
            'listeners' => [

Querying Single Entities

Multi-keyed entities

You may delimit multi keys through the route parameter. The default delimiter is a period . (e.g. 1.2.3). You may change the delimiter by setting the DoctrineResource::setMultiKeyDelimiter($value).

Complex queries through route parameters

NO LONGER SUPPORTED. As of version 2.0.4 this functionality has been removed from this module. The intended use of this module is a 1:1 mapping of entities to resources and using subroutes is not in the spirit of this intention. It is STRONGLY recommended you use laminas-api-tools/api-tools-doctrine-querybuilder for complex query-ability.

Query Providers

Query Providers are available for all find operations. The find query provider is used to fetch an entity before it is acted upon for all DoctrineResource methods except create.

A query provider returns a QueryBuilder object. By using a custom query provider you may inject conditions specific to the resource or user without modifying the resource. For instance, you may add a $queryBuilder->andWhere('user = ' . $event->getIdentity()); in your query provider before returning the QueryBuilder created therein. Other uses include soft deletes so the end user can only see the active records.

A custom plugin manager is available to register your own query providers. This can be done through this configuration:

'api-tools-doctrine-query-provider' => [
    'aliases' => [
        'entity_name_fetch_all' => \Application\Query\Provider\EntityName\FetchAll::class,
    'factories' => [
        \Application\Query\Provider\EntityName\FetchAll::class => \Laminas\ServiceManager\Factory\InvokableFactory::class,

When the query provider is registered attach it to the doctrine-connected resource configuration. The default query provider is used if no specific query provider is set. You may set query providers for these keys:

  • default
  • fetch
  • fetch_all
  • update
  • patch
  • delete
'api-tools' => [
    'doctrine-connected' => [
        'Api\\V1\\Rest\\....' => [
            'query_providers' => [
                'default' => 'default_orm',
                'fetch_all' => 'entity_name_fetch_all',
                // or fetch, update, patch, delete

Query Create Filters

In order to filter or change data sent to a create statement before it is used to hydrate the entity you may use a query create filter. Create filters are very similar to Query Providers in their implementation.

Create filters take the data as a parameter and return the data, modified or filtered.

A custom plugin manager is available to register your own create filters. This can be done through following configuration:

'api-tools-doctrine-query-create-filter' => [
    'aliases' => [
        'entity_name' => \Application\Query\CreateFilter\EntityName::class,
    'factories' => [
        \Application\Query\CreateFilter\EntityName::class => \Laminas\ServiceManager\Factory\InvokableFactory::class,

Register your Query Create Filter as:

'api-tools' => [
    'doctrine-connected' => [
        'Api\\V1\\Rest\\....' => [
            'query_create_filter' => 'entity_name',

Using Entity Factories

By default, Doctrine entities are instantiated by FQCN without arguments. If you need anything different than that, for example if your entities require arguments in their constructors, you may specify the name of a Doctrine\Instantiator\InstantiatorInterface factory registered in the Service Manager in order to delegate instantiation to that service. Currently this can only be done by directly editing the config for your resources as follows:

'api-tools' => [
    'doctrine-connected' => [
        'Api\\V1\\Rest\\...Resource' => [
            'entity_factory' => 'key_in_service_manager',