Symfony的配置樹構建

Question

我一直在努力使樹構建配置與Symfony的3解析這樣的配置：

my_bundle: 
    import: 
     paths: 
      - 'some/path' 
      - 'another/path' 

我TreeBuilder作爲看起來是這樣的：

$rootNode 
    ->children() 
     ->arrayNode('import') 
      ->children() 
       ->arrayNode('paths') 
        ->addDefaultsIfNotSet() 
        ->defaultValue([]) 
        ->cannotBeEmpty() 
       ->end() 
      ->end() 
     ->end() 
    ->end(); 

它基本上是喜歡二維數組配置我想得到的結果。你們能幫我弄清楚嗎？

預計解析的配置：

['import' => ['paths' => ['some/path', 'another/path']]] 

Answer 1

貌似我忘了原型的數據結構：

$rootNode 
    ->children() 
     ->arrayNode('import') 
      ->children() 
       ->arrayNode('paths') 
        ->prototype('scalar')->end() 
       ->end() 
      ->end() 
     ->end() 
    ->end();