diff --git a/DependencyInjection/FOSRestExtension.php b/DependencyInjection/FOSRestExtension.php
index 3f87d7b04..965bd3110 100644
--- a/DependencyInjection/FOSRestExtension.php
+++ b/DependencyInjection/FOSRestExtension.php
@@ -23,7 +23,7 @@
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Exception\LogicException;
-use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
+use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\Form\Extension\Core\Type\FormType;
 use Symfony\Component\HttpFoundation\ChainRequestMatcher;
@@ -51,10 +51,10 @@ public function getConfiguration(array $config, ContainerBuilder $container): Co
 
     protected function loadInternal(array $mergedConfig, ContainerBuilder $container): void
     {
-        $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
-        $loader->load('view.xml');
-        $loader->load('request.xml');
-        $loader->load('serializer.xml');
+        $loader = new PhpFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader->load('view.php');
+        $loader->load('request.php');
+        $loader->load('serializer.php');
 
         foreach ($mergedConfig['service'] as $key => $service) {
             if ('validator' === $service && empty($mergedConfig['body_converter']['validate'])) {
@@ -86,10 +86,10 @@ protected function loadInternal(array $mergedConfig, ContainerBuilder $container
         $this->loadSerializer($mergedConfig, $container);
     }
 
-    private function loadForm(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadForm(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if (!empty($config['disable_csrf_role'])) {
-            $loader->load('forms.xml');
+            $loader->load('forms.php');
 
             $definition = $container->getDefinition('fos_rest.form.extension.csrf_disable');
             $definition->replaceArgument(1, $config['disable_csrf_role']);
@@ -97,7 +97,7 @@ private function loadForm(array $config, XmlFileLoader $loader, ContainerBuilder
         }
     }
 
-    private function loadAllowedMethodsListener(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadAllowedMethodsListener(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if ($this->isConfigEnabled($container, $config['allowed_methods_listener'])) {
             if (!empty($config['allowed_methods_listener']['service'])) {
@@ -105,16 +105,16 @@ private function loadAllowedMethodsListener(array $config, XmlFileLoader $loader
                 $service->clearTag('kernel.event_listener');
             }
 
-            $loader->load('allowed_methods_listener.xml');
+            $loader->load('allowed_methods_listener.php');
 
             $container->getDefinition('fos_rest.allowed_methods_loader')->replaceArgument(1, $config['cache_dir']);
         }
     }
 
-    private function loadBodyListener(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadBodyListener(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if ($this->isConfigEnabled($container, $config['body_listener'])) {
-            $loader->load('body_listener.xml');
+            $loader->load('body_listener.php');
 
             $service = $container->getDefinition('fos_rest.body_listener');
 
@@ -146,10 +146,10 @@ private function loadBodyListener(array $config, XmlFileLoader $loader, Containe
         }
     }
 
-    private function loadFormatListener(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadFormatListener(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if ($this->isConfigEnabled($container, $config['format_listener']) && !empty($config['format_listener']['rules'])) {
-            $loader->load('format_listener.xml');
+            $loader->load('format_listener.php');
 
             if (!empty($config['format_listener']['service'])) {
                 $service = $container->getDefinition('fos_rest.format_listener');
@@ -163,10 +163,10 @@ private function loadFormatListener(array $config, XmlFileLoader $loader, Contai
         }
     }
 
-    private function loadVersioning(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadVersioning(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if ($this->isConfigEnabled($container, $config['versioning'])) {
-            $loader->load('versioning.xml');
+            $loader->load('versioning.php');
 
             $versionListener = $container->getDefinition('fos_rest.versioning.listener');
             $versionListener->replaceArgument(1, $config['versioning']['default_version']);
@@ -194,14 +194,14 @@ private function loadVersioning(array $config, XmlFileLoader $loader, ContainerB
         }
     }
 
-    private function loadParamFetcherListener(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadParamFetcherListener(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if ($this->isConfigEnabled($container, $config['param_fetcher_listener'])) {
             if (!class_exists(Constraint::class)) {
                 throw new \LogicException('Enabling the fos_rest.param_fetcher_listener option when the Symfony Validator component is not installed is not supported. Try installing the symfony/validator package.');
             }
 
-            $loader->load('param_fetcher_listener.xml');
+            $loader->load('param_fetcher_listener.php');
 
             if (!empty($config['param_fetcher_listener']['service'])) {
                 $service = $container->getDefinition('fos_rest.param_fetcher_listener');
@@ -214,7 +214,7 @@ private function loadParamFetcherListener(array $config, XmlFileLoader $loader,
         }
     }
 
-    private function loadBodyConverter(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadBodyConverter(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if (!$this->isConfigEnabled($container, $config['body_converter'])) {
             return;
@@ -224,14 +224,14 @@ private function loadBodyConverter(array $config, XmlFileLoader $loader, Contain
             throw new LogicException('To use the request body param converter, the "sensio/framework-extra-bundle" package is required.');
         }
 
-        $loader->load('request_body_param_converter.xml');
+        $loader->load('request_body_param_converter.php');
 
         if (!empty($config['body_converter']['validation_errors_argument'])) {
             $container->getDefinition('fos_rest.converter.request_body')->replaceArgument(4, $config['body_converter']['validation_errors_argument']);
         }
     }
 
-    private function loadView(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadView(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if (!empty($config['view']['jsonp_handler'])) {
             $handler = new ChildDefinition($config['service']['view_handler']);
@@ -249,7 +249,7 @@ private function loadView(array $config, XmlFileLoader $loader, ContainerBuilder
         }
 
         if ($this->isConfigEnabled($container, $config['view']['mime_types'])) {
-            $loader->load('mime_type_listener.xml');
+            $loader->load('mime_type_listener.php');
 
             if (!empty($config['mime_type_listener']['service'])) {
                 $service = $container->getDefinition('fos_rest.mime_type_listener');
@@ -260,7 +260,7 @@ private function loadView(array $config, XmlFileLoader $loader, ContainerBuilder
         }
 
         if ($this->isConfigEnabled($container, $config['view']['view_response_listener'])) {
-            $loader->load('view_response_listener.xml');
+            $loader->load('view_response_listener.php');
             $service = $container->getDefinition('fos_rest.view_response_listener');
 
             if (!empty($config['view_response_listener']['service'])) {
@@ -298,10 +298,10 @@ private function loadView(array $config, XmlFileLoader $loader, ContainerBuilder
         ]);
     }
 
-    private function loadException(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadException(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if ($this->isConfigEnabled($container, $config['exception'])) {
-            $loader->load('exception.xml');
+            $loader->load('exception.php');
 
             if ($config['exception']['map_exception_codes']) {
                 $container->register('fos_rest.exception.response_status_code_listener', ResponseStatusCodeListener::class)
@@ -373,10 +373,10 @@ private function loadSerializer(array $config, ContainerBuilder $container): voi
         $viewHandler->addArgument($options);
     }
 
-    private function loadZoneMatcherListener(array $config, XmlFileLoader $loader, ContainerBuilder $container): void
+    private function loadZoneMatcherListener(array $config, PhpFileLoader $loader, ContainerBuilder $container): void
     {
         if (!empty($config['zone'])) {
-            $loader->load('zone_matcher_listener.xml');
+            $loader->load('zone_matcher_listener.php');
             $zoneMatcherListener = $container->getDefinition('fos_rest.zone_matcher_listener');
 
             foreach ($config['zone'] as $zone) {
diff --git a/Resources/config/allowed_methods_listener.php b/Resources/config/allowed_methods_listener.php
new file mode 100644
index 000000000..f5209a2fd
--- /dev/null
+++ b/Resources/config/allowed_methods_listener.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.allowed_methods_listener', \FOS\RestBundle\EventListener\AllowedMethodsListener::class)
+        ->args([service('fos_rest.allowed_methods_loader')])
+        ->tag('kernel.event_listener', ['event' => 'kernel.response', 'method' => 'onKernelResponse']);
+
+    $services->set('fos_rest.allowed_methods_loader', \FOS\RestBundle\Response\AllowedMethodsLoader\AllowedMethodsRouterLoader::class)
+        ->private()
+        ->args([
+            service('router'),
+            '',
+            '%kernel.debug%',
+        ])
+        ->tag('kernel.cache_warmer');
+};
diff --git a/Resources/config/allowed_methods_listener.xml b/Resources/config/allowed_methods_listener.xml
deleted file mode 100644
index 13524faf7..000000000
--- a/Resources/config/allowed_methods_listener.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-
-        <service id="fos_rest.allowed_methods_listener" class="FOS\RestBundle\EventListener\AllowedMethodsListener">
-            <tag name="kernel.event_listener" event="kernel.response" method="onKernelResponse" />
-            <argument type="service" id="fos_rest.allowed_methods_loader" />
-        </service>
-
-        <service id="fos_rest.allowed_methods_loader" class="FOS\RestBundle\Response\AllowedMethodsLoader\AllowedMethodsRouterLoader" public="false">
-            <tag name="kernel.cache_warmer" />
-            <argument type="service" id="router" />
-            <argument /> <!-- cache dir -->
-            <argument>%kernel.debug%</argument>
-        </service>
-
-    </services>
-</container>
diff --git a/Resources/config/body_listener.php b/Resources/config/body_listener.php
new file mode 100644
index 000000000..52ed2a9cd
--- /dev/null
+++ b/Resources/config/body_listener.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.normalizer.camel_keys', \FOS\RestBundle\Normalizer\CamelKeysNormalizer::class);
+
+    $services->set('fos_rest.normalizer.camel_keys_with_leading_underscore', \FOS\RestBundle\Normalizer\CamelKeysNormalizerWithLeadingUnderscore::class);
+
+    $services->set('fos_rest.decoder.json', \FOS\RestBundle\Decoder\JsonDecoder::class);
+
+    $services->set('fos_rest.decoder.jsontoform', \FOS\RestBundle\Decoder\JsonToFormDecoder::class);
+
+    $services->set('fos_rest.decoder.xml', \FOS\RestBundle\Decoder\XmlDecoder::class);
+
+    $services->set('fos_rest.decoder_provider', \FOS\RestBundle\Decoder\ContainerDecoderProvider::class)
+        ->args([
+            service('service_container'),
+            [],
+        ]);
+
+    $services->set('fos_rest.body_listener', \FOS\RestBundle\EventListener\BodyListener::class)
+        ->args([
+            service('fos_rest.decoder_provider'),
+            '', // exception on unsupported content type
+        ])
+        ->tag('kernel.event_listener', ['event' => 'kernel.request', 'method' => 'onKernelRequest', 'priority' => 10]);
+};
diff --git a/Resources/config/body_listener.xml b/Resources/config/body_listener.xml
deleted file mode 100644
index 1ee5facb7..000000000
--- a/Resources/config/body_listener.xml
+++ /dev/null
@@ -1,31 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-
-        <service id="fos_rest.normalizer.camel_keys" class="FOS\RestBundle\Normalizer\CamelKeysNormalizer" />
-
-        <service id="fos_rest.normalizer.camel_keys_with_leading_underscore" class="FOS\RestBundle\Normalizer\CamelKeysNormalizerWithLeadingUnderscore" />
-
-        <service id="fos_rest.decoder.json" class="FOS\RestBundle\Decoder\JsonDecoder" />
-
-        <service id="fos_rest.decoder.jsontoform" class="FOS\RestBundle\Decoder\JsonToFormDecoder" />
-
-        <service id="fos_rest.decoder.xml" class="FOS\RestBundle\Decoder\XmlDecoder" />
-
-        <service id="fos_rest.decoder_provider" class="FOS\RestBundle\Decoder\ContainerDecoderProvider">
-            <argument type="service" id="service_container" />
-            <argument type="collection" /> <!-- decoders -->
-        </service>
-
-        <service id="fos_rest.body_listener" class="FOS\RestBundle\EventListener\BodyListener">
-            <tag name="kernel.event_listener" event="kernel.request" method="onKernelRequest" priority="10" />
-            <argument type="service" id="fos_rest.decoder_provider" />
-            <argument /> <!-- exception on unsupported content type -->
-        </service>
-
-    </services>
-</container>
diff --git a/Resources/config/exception.php b/Resources/config/exception.php
new file mode 100644
index 000000000..8ffd09fa3
--- /dev/null
+++ b/Resources/config/exception.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.exception.codes_map', \FOS\RestBundle\Util\ExceptionValueMap::class)
+        ->private()
+        ->args([
+            [], // exception codes
+        ]);
+
+    $services->set('fos_rest.exception.messages_map', \FOS\RestBundle\Util\ExceptionValueMap::class)
+        ->private()
+        ->args([
+            [], // exception messages
+        ]);
+
+    $services->set('fos_rest.serializer.flatten_exception_handler', \FOS\RestBundle\Serializer\Normalizer\FlattenExceptionHandler::class)
+        ->private()
+        ->args([
+            service('fos_rest.exception.codes_map'),
+            service('fos_rest.exception.messages_map'),
+            '', // show exception message
+            '', // render according to RFC 7807
+        ])
+        ->tag('jms_serializer.subscribing_handler');
+
+    $services->set('fos_rest.serializer.flatten_exception_normalizer', \FOS\RestBundle\Serializer\Normalizer\FlattenExceptionNormalizer::class)
+        ->private()
+        ->args([
+            service('fos_rest.exception.codes_map'), // exception messages
+            service('fos_rest.exception.messages_map'), // exception messages
+            '', // show exception message
+            '', // render according to RFC 7807
+        ])
+        ->tag('serializer.normalizer', ['priority' => -10]);
+};
diff --git a/Resources/config/exception.xml b/Resources/config/exception.xml
deleted file mode 100644
index d33d22d73..000000000
--- a/Resources/config/exception.xml
+++ /dev/null
@@ -1,32 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-        <service id="fos_rest.exception.codes_map" class="FOS\RestBundle\Util\ExceptionValueMap" public="false">
-            <argument type="collection"/> <!-- exception codes -->
-        </service>
-
-        <service id="fos_rest.exception.messages_map" class="FOS\RestBundle\Util\ExceptionValueMap" public="false">
-            <argument type="collection"/> <!-- exception messages -->
-        </service>
-
-        <service id="fos_rest.serializer.flatten_exception_handler" class="FOS\RestBundle\Serializer\Normalizer\FlattenExceptionHandler" public="false">
-            <argument type="service" id="fos_rest.exception.codes_map" /> <!-- exception messages -->
-            <argument type="service" id="fos_rest.exception.messages_map" /> <!-- exception messages -->
-            <argument /><!-- show exception message -->
-            <argument /><!-- render according to RFC 7807 -->
-            <tag name="jms_serializer.subscribing_handler" />
-        </service>
-
-        <service id="fos_rest.serializer.flatten_exception_normalizer" class="FOS\RestBundle\Serializer\Normalizer\FlattenExceptionNormalizer" public="false">
-            <argument type="service" id="fos_rest.exception.codes_map" /> <!-- exception messages -->
-            <argument type="service" id="fos_rest.exception.messages_map" /> <!-- exception messages -->
-            <argument /><!-- show exception message -->
-            <argument /><!-- render according to RFC 7807 -->
-            <tag name="serializer.normalizer" priority="-10" />
-        </service>
-    </services>
-</container>
diff --git a/Resources/config/format_listener.php b/Resources/config/format_listener.php
new file mode 100644
index 000000000..894b9ebe5
--- /dev/null
+++ b/Resources/config/format_listener.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.format_listener', \FOS\RestBundle\EventListener\FormatListener::class)
+        ->args([service('fos_rest.format_negotiator')])
+        ->tag('kernel.event_listener', ['event' => 'kernel.request', 'method' => 'onKernelRequest', 'priority' => 34]);
+
+    $services->set('fos_rest.format_negotiator', \FOS\RestBundle\Negotiation\FormatNegotiator::class)
+        ->args([service('request_stack')]);
+};
diff --git a/Resources/config/format_listener.xml b/Resources/config/format_listener.xml
deleted file mode 100644
index d4ea1a965..000000000
--- a/Resources/config/format_listener.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-        <service id="fos_rest.format_listener" class="FOS\RestBundle\EventListener\FormatListener">
-            <tag name="kernel.event_listener" event="kernel.request" method="onKernelRequest" priority="34" />
-            <argument type="service" id="fos_rest.format_negotiator" />
-        </service>
-
-        <service id="fos_rest.format_negotiator" class="FOS\RestBundle\Negotiation\FormatNegotiator">
-            <argument type="service" id="request_stack" />
-        </service>
-    </services>
-</container>
diff --git a/Resources/config/forms.php b/Resources/config/forms.php
new file mode 100644
index 000000000..18b448d3c
--- /dev/null
+++ b/Resources/config/forms.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.form.extension.csrf_disable', \FOS\RestBundle\Form\Extension\DisableCSRFExtension::class)
+        ->args([
+            service('security.token_storage'),
+            '', // disable CSRF role
+            service('security.authorization_checker'),
+        ]);
+};
diff --git a/Resources/config/forms.xml b/Resources/config/forms.xml
deleted file mode 100644
index aede2bf94..000000000
--- a/Resources/config/forms.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-        <service id="fos_rest.form.extension.csrf_disable" class="FOS\RestBundle\Form\Extension\DisableCSRFExtension">
-            <argument type="service" id="security.token_storage" />
-            <argument /> <!-- disable CSRF role -->
-            <argument type="service" id="security.authorization_checker" />
-        </service>
-    </services>
-</container>
diff --git a/Resources/config/mime_type_listener.php b/Resources/config/mime_type_listener.php
new file mode 100644
index 000000000..22e351a6c
--- /dev/null
+++ b/Resources/config/mime_type_listener.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.mime_type_listener', \FOS\RestBundle\EventListener\MimeTypeListener::class)
+        ->args([[]])
+        ->tag('kernel.event_listener', ['event' => 'kernel.request', 'method' => 'onKernelRequest', 'priority' => 200]);
+};
diff --git a/Resources/config/mime_type_listener.xml b/Resources/config/mime_type_listener.xml
deleted file mode 100644
index 4de4df290..000000000
--- a/Resources/config/mime_type_listener.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-
-        <service id="fos_rest.mime_type_listener" class="FOS\RestBundle\EventListener\MimeTypeListener">
-            <tag name="kernel.event_listener" event="kernel.request" method="onKernelRequest" priority="200" />
-            <argument type="collection" />
-        </service>
-
-    </services>
-</container>
diff --git a/Resources/config/param_fetcher_listener.php b/Resources/config/param_fetcher_listener.php
new file mode 100644
index 000000000..0665a9aa5
--- /dev/null
+++ b/Resources/config/param_fetcher_listener.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.param_fetcher_listener', \FOS\RestBundle\EventListener\ParamFetcherListener::class)
+        ->args([
+            service('fos_rest.request.param_fetcher'),
+            false,
+        ])
+        ->tag('kernel.event_listener', ['event' => 'kernel.controller', 'method' => 'onKernelController', 'priority' => 5]);
+};
diff --git a/Resources/config/param_fetcher_listener.xml b/Resources/config/param_fetcher_listener.xml
deleted file mode 100644
index 042757196..000000000
--- a/Resources/config/param_fetcher_listener.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-
-        <service id="fos_rest.param_fetcher_listener" class="FOS\RestBundle\EventListener\ParamFetcherListener">
-            <tag name="kernel.event_listener" event="kernel.controller" method="onKernelController" priority="5"/>
-            <argument type="service" id="fos_rest.request.param_fetcher"/>
-            <argument>false</argument>
-        </service>
-
-    </services>
-</container>
diff --git a/Resources/config/request.php b/Resources/config/request.php
new file mode 100644
index 000000000..0005eb380
--- /dev/null
+++ b/Resources/config/request.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.request.param_fetcher', \FOS\RestBundle\Request\ParamFetcher::class)
+        ->args([
+            service('service_container'),
+            service('fos_rest.request.param_fetcher.reader'),
+            service('request_stack'),
+            service('validator')->nullOnInvalid(),
+        ]);
+
+    $services->alias(\FOS\RestBundle\Request\ParamFetcherInterface::class, 'fos_rest.request.param_fetcher');
+
+    $services->set('fos_rest.request.param_fetcher.reader', \FOS\RestBundle\Request\ParamReader::class)
+        ->private()
+        ->args([service('annotation_reader')->nullOnInvalid()]);
+};
diff --git a/Resources/config/request.xml b/Resources/config/request.xml
deleted file mode 100644
index d55542764..000000000
--- a/Resources/config/request.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-
-        <service id="fos_rest.request.param_fetcher" class="FOS\RestBundle\Request\ParamFetcher">
-            <argument type="service" id="service_container" />
-            <argument type="service" id="fos_rest.request.param_fetcher.reader"/>
-            <argument type="service" id="request_stack"/>
-            <argument type="service" id="validator" on-invalid="null"/>
-        </service>
-
-        <service id="FOS\RestBundle\Request\ParamFetcherInterface" alias="fos_rest.request.param_fetcher" />
-
-        <service id="fos_rest.request.param_fetcher.reader" class="FOS\RestBundle\Request\ParamReader" public="false">
-            <argument type="service" id="annotation_reader" on-invalid="null"/>
-        </service>
-
-    </services>
-
-</container>
diff --git a/Resources/config/request_body_param_converter.php b/Resources/config/request_body_param_converter.php
new file mode 100644
index 000000000..7457acf0c
--- /dev/null
+++ b/Resources/config/request_body_param_converter.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.converter.request_body', \FOS\RestBundle\Request\RequestBodyParamConverter::class)
+        ->args([
+            service('fos_rest.serializer'),
+            [], // serializer exclusion strategy groups
+            '', // serializer exclusion strategy version
+            service('fos_rest.validator')->ignoreOnInvalid(),
+            null, // request body validation errors argument
+        ])
+        ->tag('request.param_converter', ['converter' => 'fos_rest.request_body', 'priority' => -50]);
+};
diff --git a/Resources/config/request_body_param_converter.xml b/Resources/config/request_body_param_converter.xml
deleted file mode 100644
index 5710bbc1f..000000000
--- a/Resources/config/request_body_param_converter.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-
-        <service id="fos_rest.converter.request_body" class="FOS\RestBundle\Request\RequestBodyParamConverter" public="false">
-            <argument type="service" id="fos_rest.serializer"/>
-            <argument type="collection" /> <!-- serializer exclusion strategy groups -->
-            <argument /> <!-- serializer exclusion strategy version -->
-            <argument type="service" id="fos_rest.validator" on-invalid="ignore" />
-            <argument>null</argument> <!-- request body validation errors argument -->
-            <tag name="request.param_converter" converter="fos_rest.request_body" priority="-50"/>
-        </service>
-
-    </services>
-</container>
diff --git a/Resources/config/serializer.php b/Resources/config/serializer.php
new file mode 100644
index 000000000..1e6203176
--- /dev/null
+++ b/Resources/config/serializer.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.serializer.jms', \FOS\RestBundle\Serializer\JMSSerializerAdapter::class)
+        ->private()
+        ->args([
+            service('jms_serializer.serializer'),
+            service('jms_serializer.serialization_context_factory'),
+            service('jms_serializer.deserialization_context_factory'),
+        ]);
+
+    $services->set('fos_rest.serializer.symfony', \FOS\RestBundle\Serializer\SymfonySerializerAdapter::class)
+        ->private()
+        ->args([service('serializer')]);
+
+    // Normalizes FormInterface when using the symfony serializer
+    $services->set('fos_rest.serializer.form_error_normalizer', \FOS\RestBundle\Serializer\Normalizer\FormErrorNormalizer::class)
+        ->private()
+        ->tag('serializer.normalizer', ['priority' => -10]);
+};
diff --git a/Resources/config/serializer.xml b/Resources/config/serializer.xml
deleted file mode 100644
index bf4fdb161..000000000
--- a/Resources/config/serializer.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" ?>
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-        <service id="fos_rest.serializer.jms" class="FOS\RestBundle\Serializer\JMSSerializerAdapter" public="false">
-            <argument type="service" id="jms_serializer.serializer" />
-            <argument type="service" id="jms_serializer.serialization_context_factory" />
-            <argument type="service" id="jms_serializer.deserialization_context_factory" />
-        </service>
-
-        <service id="fos_rest.serializer.symfony" class="FOS\RestBundle\Serializer\SymfonySerializerAdapter" public="false">
-            <argument type="service" id="serializer" />
-        </service>
-
-        <!-- Normalizes FormInterface when using the symfony serializer -->
-        <service id="fos_rest.serializer.form_error_normalizer" class="FOS\RestBundle\Serializer\Normalizer\FormErrorNormalizer" public="false">
-            <tag name="serializer.normalizer" priority="-10" />
-        </service>
-    </services>
-</container>
diff --git a/Resources/config/versioning.php b/Resources/config/versioning.php
new file mode 100644
index 000000000..23d3e65fb
--- /dev/null
+++ b/Resources/config/versioning.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.versioning.listener', \FOS\RestBundle\EventListener\VersionListener::class)
+        ->args([
+            service('fos_rest.versioning.chain_resolver'),
+            '', // default media type version
+        ])
+        ->tag('kernel.event_listener', ['event' => 'kernel.request', 'method' => 'onKernelRequest', 'priority' => 33]);
+
+    $services->set('fos_rest.versioning.exclusion_listener', \FOS\RestBundle\EventListener\VersionExclusionListener::class)
+        ->args([service('fos_rest.view_handler')])
+        ->tag('kernel.event_listener', ['event' => 'kernel.request', 'method' => 'onKernelRequest', 'priority' => 31]);
+
+    $services->set('fos_rest.versioning.chain_resolver', \FOS\RestBundle\Version\ChainVersionResolver::class)
+        ->private()
+        ->args([
+            [], // resolvers
+        ]);
+
+    $services->set('fos_rest.versioning.header_resolver', \FOS\RestBundle\Version\Resolver\HeaderVersionResolver::class)
+        ->private()
+        ->args([
+            '', // request header name
+        ]);
+
+    $services->set('fos_rest.versioning.media_type_resolver', \FOS\RestBundle\Version\Resolver\MediaTypeVersionResolver::class)
+        ->private()
+        ->args([
+            '', // regex
+        ]);
+
+    $services->set('fos_rest.versioning.query_parameter_resolver', \FOS\RestBundle\Version\Resolver\QueryParameterVersionResolver::class)
+        ->private()
+        ->args([
+            '', // request parameter name
+        ]);
+};
diff --git a/Resources/config/versioning.xml b/Resources/config/versioning.xml
deleted file mode 100644
index 5071220eb..000000000
--- a/Resources/config/versioning.xml
+++ /dev/null
@@ -1,35 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-        <service id="fos_rest.versioning.listener" class="FOS\RestBundle\EventListener\VersionListener">
-            <argument type="service" id="fos_rest.versioning.chain_resolver" />
-            <argument /> <!-- default media type version -->
-            <tag name="kernel.event_listener" event="kernel.request" method="onKernelRequest" priority="33"  />
-        </service>
-
-        <service id="fos_rest.versioning.exclusion_listener" class="FOS\RestBundle\EventListener\VersionExclusionListener">
-            <argument type="service" id="fos_rest.view_handler" />
-            <tag name="kernel.event_listener" event="kernel.request" method="onKernelRequest" priority="31"  />
-        </service>
-
-        <service id="fos_rest.versioning.chain_resolver" class="FOS\RestBundle\Version\ChainVersionResolver" public="false">
-            <argument type="collection" /> <!-- resolvers -->
-        </service>
-
-        <service id="fos_rest.versioning.header_resolver" class="FOS\RestBundle\Version\Resolver\HeaderVersionResolver" public="false">
-            <argument /> <!-- request header name -->
-        </service>
-
-        <service id="fos_rest.versioning.media_type_resolver" class="FOS\RestBundle\Version\Resolver\MediaTypeVersionResolver" public="false">
-            <argument /> <!-- regex -->
-        </service>
-
-        <service id="fos_rest.versioning.query_parameter_resolver" class="FOS\RestBundle\Version\Resolver\QueryParameterVersionResolver" public="false">
-            <argument /> <!-- request parameter name -->
-        </service>
-    </services>
-</container>
diff --git a/Resources/config/view.php b/Resources/config/view.php
new file mode 100644
index 000000000..9f4fed397
--- /dev/null
+++ b/Resources/config/view.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.view_handler.default', \FOS\RestBundle\View\ViewHandler::class)
+        ->private()
+        ->tag('kernel.reset', ['method' => 'reset']);
+
+    $services->alias(\FOS\RestBundle\View\ViewHandlerInterface::class, 'fos_rest.view_handler');
+
+    $services->set('fos_rest.view_handler.jsonp', \FOS\RestBundle\View\JsonpHandler::class)
+        ->private()
+        ->args([
+            '', // JSONP callback parameter
+        ]);
+};
diff --git a/Resources/config/view.xml b/Resources/config/view.xml
deleted file mode 100644
index 996327ff1..000000000
--- a/Resources/config/view.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-
-        <service id="fos_rest.view_handler.default" class="FOS\RestBundle\View\ViewHandler" public="false">
-            <tag name="kernel.reset" method="reset" />
-        </service>
-
-        <service id="FOS\RestBundle\View\ViewHandlerInterface" alias="fos_rest.view_handler" />
-
-        <service id="fos_rest.view_handler.jsonp" class="FOS\RestBundle\View\JsonpHandler" public="false">
-            <argument /> <!-- JSONP callback parameter -->
-        </service>
-
-    </services>
-</container>
diff --git a/Resources/config/view_response_listener.php b/Resources/config/view_response_listener.php
new file mode 100644
index 000000000..42e421229
--- /dev/null
+++ b/Resources/config/view_response_listener.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.view_response_listener', \FOS\RestBundle\EventListener\ViewResponseListener::class)
+        ->args([
+            service('fos_rest.view_handler'),
+            '', // force view
+            service('annotation_reader')->nullOnInvalid(),
+        ])
+        ->tag('kernel.event_subscriber');
+};
diff --git a/Resources/config/view_response_listener.xml b/Resources/config/view_response_listener.xml
deleted file mode 100644
index 5ea9b7484..000000000
--- a/Resources/config/view_response_listener.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-
-        <service id="fos_rest.view_response_listener" class="FOS\RestBundle\EventListener\ViewResponseListener">
-            <tag name="kernel.event_subscriber" />
-            <argument type="service" id="fos_rest.view_handler" />
-            <argument /> <!-- force view -->
-            <argument type="service" id="annotation_reader" on-invalid="null"/>
-        </service>
-
-    </services>
-</container>
diff --git a/Resources/config/zone_matcher_listener.php b/Resources/config/zone_matcher_listener.php
new file mode 100644
index 000000000..6d1bf7587
--- /dev/null
+++ b/Resources/config/zone_matcher_listener.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+return static function (ContainerConfigurator $container) {
+    $services = $container->services();
+    $parameters = $container->parameters();
+
+    $services->set('fos_rest.zone_matcher_listener', \FOS\RestBundle\EventListener\ZoneMatcherListener::class)
+        ->tag('kernel.event_listener', ['event' => 'kernel.request', 'method' => 'onKernelRequest', 'priority' => 248]);
+};
diff --git a/Resources/config/zone_matcher_listener.xml b/Resources/config/zone_matcher_listener.xml
deleted file mode 100644
index 6a18566e1..000000000
--- a/Resources/config/zone_matcher_listener.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-
-        <service id="fos_rest.zone_matcher_listener" class="FOS\RestBundle\EventListener\ZoneMatcherListener">
-            <tag name="kernel.event_listener" event="kernel.request" method="onKernelRequest" priority="248" />
-        </service>
-
-    </services>
-
-</container>
diff --git a/Tests/EventListener/MimeTypeListenerTest.php b/Tests/EventListener/MimeTypeListenerTest.php
index ba2e7097f..c43e81104 100644
--- a/Tests/EventListener/MimeTypeListenerTest.php
+++ b/Tests/EventListener/MimeTypeListenerTest.php
@@ -55,6 +55,8 @@ public function testOnKernelRequestNoZone()
         $listener = new MimeTypeListener(['soap' => ['application/soap+xml']]);
 
         $request = new Request();
+        $mimeType = $request->getMimeType('soap');
+
         $request->attributes->set(FOSRestBundle::ZONE_ATTRIBUTE, false);
         $event = $this->getMockBuilder(RequestEvent::class)
             ->disableOriginalConstructor()->getMock();
@@ -68,7 +70,7 @@ public function testOnKernelRequestNoZone()
 
         $listener->onKernelRequest($event);
 
-        $this->assertNull($request->getMimeType('soap'));
+        $this->assertSame($mimeType, $request->getMimeType('soap'));
     }
 
     public function testOnKernelRequestWithZone()
diff --git a/Tests/Functional/app/Configuration/routing.yml b/Tests/Functional/app/Configuration/routing.yml
index 3e79dc212..aa539064b 100644
--- a/Tests/Functional/app/Configuration/routing.yml
+++ b/Tests/Functional/app/Configuration/routing.yml
@@ -1,7 +1,7 @@
 _wdt:
-    resource: "@WebProfilerBundle/Resources/config/routing/wdt.xml"
+    resource: "@WebProfilerBundle/Resources/config/routing/wdt.php"
     prefix:   /_wdt
 
 _profiler:
-    resource: "@WebProfilerBundle/Resources/config/routing/profiler.xml"
+    resource: "@WebProfilerBundle/Resources/config/routing/profiler.php"
     prefix:   /_profiler