Create multidimensional array with symfony configuration tree builder

Question

I want to create a configuration for my own bundle like this:

my_filters:
    filter_type_a:
        - \MyBundle\My\ClassA
        - \MyBundle\My\ClassA2
    filter_type_b:
        - \MyBundle\My\ClassB

The my_filters should be an array of variable length, and the my_filters.filter_type_a should be an array of variable length,too.

I tried

$treeBuilder = new TreeBuilder(); 
$rootNode = $treeBuilder->root('my_bundle');
$rootNode
     ->children()
         ->arrayNode('my_filters')
             ->prototype('array')
                 ->prototype('array')
                     ->children()
                         ->scalarNode('my_filters')->end()
                      ->end()
                 ->end()
             ->end()
         ->end()
     ->end()

but i got the following error: Invalid type for path "my_bundle.my_filters.filter_type_a.0". Expected array, but got string.

Here is, where i set the configuration:

class MyBundleExtension extends Extension
{
    public function load(array $configs, ContainerBuilder $container)
    {
        $this->loadServices($container);
        $this->loadConfig($configs, $container);
    }

    private function loadConfig(array $configs, ContainerBuilder $container)
    {       
        $configuration = new Configuration();
        $config = $this->processConfiguration($configuration, $configs);
        $container->setParameter('my_bundle.my_filters', $config['my_filters']);
    }

    private function loadServices(ContainerBuilder $container)
    {
        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
        $loader->load('services.yml');
    }
}

I can not see my mistake, can anyone tell me?

What is your rootNode? Change one of your examples to comply each other. Now you have defined filter_expressions but provide my_filters or filter_type_a. It is unclear. — Michael Sivolobov
– Michael Sivolobov, Commented May 25, 2015 at 12:55
I think that your mistake in naming. You declare two different nodes with one name my_filters — Michael Sivolobov
– Michael Sivolobov, Commented May 25, 2015 at 14:37
The error appears, even if i change the name of the inner scalar node. — jagemue
– jagemue, Commented May 25, 2015 at 14:46

Michael Sivolobov · Accepted Answer · 2015-05-26 06:21:26Z

4

To match config

my_bundle:
    my_filters:
        filter_type_a:
            - \MyBundle\My\ClassA
            - \MyBundle\My\ClassA2
        filter_type_b:
            - \MyBundle\My\ClassB

You need next code in config tree builder:

$rootNode = $treeBuilder->root('my_bundle');
$rootNode
     ->children()
         ->arrayNode('my_filters')
             ->prototype('array')
                 ->prototype('scalar')->end()
             ->end()
         ->end()
     ->end()

edited May 26, 2015 at 6:21

answered May 25, 2015 at 13:16

Michael Sivolobov

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9 Comments

jagemue Over a year ago

Okay, there is no error, but the parameter 'my_filters' is empty, if i try to read it with $container->getParameter('my_bundle.my_filters').

Michael Sivolobov Over a year ago

Ok. Post your code where you set parameter my_bundle.my_filters. I think that problem will be there.

Michael Sivolobov Over a year ago

Post the whole class code. Do you sure that your loadConfig is called while container compilation?

jagemue Over a year ago

Done. Yes, i'm shure.

Pinks Not Dead Over a year ago

this answer should be posted in official symfony documentation ;)

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