[FrameworkBundle][config] allow multiple fallback locales.

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php

@@ -364,8 +364,13 @@ class Configuration implements ConfigurationInterface
                 ->arrayNode('translator')
                     ->info('translator configuration')
                     ->canBeEnabled()
+                    ->fixXmlConfig('fallback')
                     ->children()
-                        ->scalarNode('fallback')->defaultValue('en')->end()
+                        ->arrayNode('fallbacks')
+                            ->beforeNormalization()->ifString()->then(function ($v) { return array($v); })->end()
+                            ->prototype('scalar')->end()
+                            ->defaultValue(array('en'))
+                        ->end()
                     ->end()
                 ->end()
             ->end()

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -226,7 +226,7 @@ class FrameworkExtension extends Extension
             'memcached' => 'Symfony\Component\HttpKernel\Profiler\MemcachedProfilerStorage',
             'redis' => 'Symfony\Component\HttpKernel\Profiler\RedisProfilerStorage',
         );
-        list($class,) = explode(':', $config['dsn'], 2);
+        list($class, ) = explode(':', $config['dsn'], 2);
         if (!isset($supported[$class])) {
             throw new \LogicException(sprintf('Driver "%s" is not supported for the profiler.', $class));
         }
@@ -534,10 +534,7 @@ class FrameworkExtension extends Extension
         // Use the "real" translator instead of the identity default
         $container->setAlias('translator', 'translator.default');
         $translator = $container->findDefinition('translator.default');
-        if (!is_array($config['fallback'])) {
-            $config['fallback'] = array($config['fallback']);
-        }
-        $translator->addMethodCall('setFallbackLocales', array($config['fallback']));
+        $translator->addMethodCall('setFallbackLocales', array($config['fallbacks']));
 
         // Discover translation directories
         $dirs = array();

src/Symfony/Bundle/FrameworkBundle/Resources/config/schema/symfony-1.0.xsd

@@ -125,6 +125,9 @@
     </xsd:complexType>
 
     <xsd:complexType name="translator">
+        <xsd:sequence>
+            <xsd:element name="fallback" type="xsd:string" minOccurs="0" maxOccurs="unbounded" />
+        </xsd:sequence>
         <xsd:attribute name="enabled" type="xsd:boolean" />
         <xsd:attribute name="fallback" type="xsd:string" />
     </xsd:complexType>

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/ConfigurationTest.php

@@ -115,7 +115,7 @@ class ConfigurationTest extends \PHPUnit_Framework_TestCase
             ),
             'translator' => array(
                 'enabled' => false,
-                'fallback' => 'en',
+                'fallbacks' => array('en'),
             ),
             'validation' => array(
                 'enabled' => false,

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/php/translator_fallbacks.php

@@ -0,0 +1,7 @@
+<?php
+
+$container->loadFromExtension('framework', array(
+    'translator' => array(
+        'fallbacks' => array('en', 'fr'),
+    ),
+));

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/translator_fallbacks.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:framework="http://symfony.com/schema/dic/symfony"
+    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
+                        http://symfony.com/schema/dic/symfony http://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
+
+    <framework:config secret="s3cr3t">
+        <framework:translator enabled="true">
+            <framework:fallback>en</framework:fallback>
+            <framework:fallback>fr</framework:fallback>
+        </framework:translator>
+    </framework:config>
+</container>

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/yml/translator_fallbacks.yml

@@ -0,0 +1,3 @@
+framework:
+    translator:
+        fallbacks: [en, fr]

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php

@@ -206,6 +206,14 @@ abstract class FrameworkExtensionTest extends TestCase
         $this->assertEquals(array('fr'), $calls[0][1][0]);
     }
 
+    public function testTranslatorMultipleFullback()
+    {
+        $container = $this->createContainerFromFile('translator_fallbacks');
+
+        $calls = $container->getDefinition('translator.default')->getMethodCalls();
+        $this->assertEquals(array('en', 'fr'), $calls[0][1][0]);
+    }
+
     /**
      * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
      */