Use arrayPrototype instead of prototype('array')

Author: aaronj-ep

DependencyInjection/Configuration.php

@@ -157,7 +157,7 @@ private function addDbalSection(ArrayNodeDefinition $node)
                 ->children()
                     ->arrayNode('settings')
                     ->useAttributeAsKey('key')
-                    ->prototype('array')
+                    ->arrayPrototype()
                         ->useAttributeAsKey('key')
                             ->prototype('scalar')->end()
                         ->end()
@@ -203,7 +203,7 @@ private function getDbalConnectionsNode(DriverNormalizer $normalizer)
         $node
             ->requiresAtLeastOneElement()
             ->useAttributeAsKey('name')
-            ->prototype('array')
+            ->arrayPrototype()
                 ->children()
                     ->scalarNode('driver')
                         ->beforeNormalization()
@@ -224,7 +224,7 @@ private function getDbalConnectionsNode(DriverNormalizer $normalizer)
                     ->scalarNode('classname')->defaultValue($this->debug ? 'DebugPDO' : 'PropelPDO')->end()
                     ->arrayNode('slaves')
                         ->useAttributeAsKey('name')
-                        ->prototype('array')
+                        ->arrayPrototype()
                             ->children()
                                 ->scalarNode('driver')
                                     ->beforeNormalization()