defaultValue example

$childChildren = $children['child']->getChildren();

        $this->assertInstanceOf(BooleanNode::class, $childChildren['foo']);
    }

    public function testDefinitionInfoGetsTransferredToNode()
    {
        $builder = new TreeBuilder('test');

        $builder->getRootNode()->info('root info')
            ->children()
                ->node('child', 'variable')->info('child info')->defaultValue('default')
            ->end()
        ->end();

        $tree = $builder->buildTree();
        $children = $tree->getChildren();

        $this->assertEquals('root info', $tree->getInfo());
        $this->assertEquals('child info', $children['child']->getInfo());
    }

    public function testDefinitionExampleGetsTransferredToNode()
    {

use Symfony\Component\Config\Definition\Configurator\DefinitionConfigurator;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
use Symfony\Component\HttpKernel\Bundle\AbstractBundle;

class AcmeFooBundle extends AbstractBundle
{
    public function configure(DefinitionConfigurator $definition): void
    {
        $definition->rootNode()
            ->children()
                ->scalarNode('foo')->defaultValue('bar')->end()
            ->end()
        ;

        $definition->import('Resources/config/definition.php');
    }

    public function prependExtension(ContainerConfigurator $container, ContainerBuilder $builder): void
    {
        $container->extension('loaded', ['bar' => 'baz']);
    }

    

<?php
use Symfony\Component\Config\Definition\Configurator\DefinitionConfigurator;

return static function DDefinitionConfigurator $definition) {
    $definition->rootNode()
        ->children()
            ->scalarNode('bar')->defaultValue('multi')->end()
        ->end()
    ;
};

return 'oidc';
    }

    public function addConfiguration(NodeBuilder $node): void
    {
        $node
            ->arrayNode($this->getKey())
                ->fixXmlConfig($this->getKey())
                ->children()
                    ->scalarNode('claim')
                        ->info('Claim which contains the user identifier (e.g.: sub, email..).')
                        ->defaultValue('sub')
                    ->end()
                    ->scalarNode('audience')
                        ->info('Audience set in the token, for validation purpose.')
                        ->isRequired()
                    ->end()
                    ->arrayNode('issuers')
                        ->info('Issuers allowed to generate the token, for validation purpose.')
                        ->isRequired()
                        ->prototype('scalar')->end()
                    ->end()
                    ->scalarNode('algorithm')
                        

public function addConfiguration(NodeDefinition $node): void
    {
        $builder = $node
            ->fixXmlConfig('user_provider')
            ->children()
        ;

        $builder
            ->scalarNode('secret')
                ->cannotBeEmpty()
                ->defaultValue('%kernel.secret%')
            ->end()
            ->scalarNode('service')->end()
            ->arrayNode('user_providers')
                ->beforeNormalization()
                    ->ifString()->then(fn ($v) => [$v])
                ->end()
                ->prototype('scalar')->end()
            ->end()
            ->booleanNode('catch_exceptions')->defaultTrue()->end()
            ->arrayNode('signature_properties')
                ->prototype('scalar')->end()
                

->ifString()
                    ->then(fn ($v) => ['claim' => 'sub', 'base_uri' => $v])
                ->end()
                ->children()
                    ->scalarNode('base_uri')
                        ->info('Base URI of the userinfo endpoint on the OIDC server.')
                        ->isRequired()
                        ->cannotBeEmpty()
                    ->end()
                    ->scalarNode('claim')
                        ->info('Claim which contains the user identifier (e.g. sub, email, etc.).')
                        ->defaultValue('sub')
                        ->cannotBeEmpty()
                    ->end()
                    ->scalarNode('client')
                        ->info('HttpClient service id to use to call the OIDC server.')
                    ->end()
                ->end()
            ->end()
        ;
    }
}

$treeBuilder = new TreeBuilder('storefront');

        $rootNode = $treeBuilder->getRootNode();

        $rootNode
            ->children()
                ->arrayNode('reverse_proxy')
                    ->children()
                        ->booleanNode('enabled')->end()
                        ->booleanNode('use_varnish_xkey')->defaultFalse()->end()
                        ->arrayNode('hosts')->performNoDeepMerging()->scalarPrototype()->end()->end()
                        ->integerNode('max_parallel_invalidations')->defaultValue(2)->end()
                        ->scalarNode('redis_url')->end()
                        ->scalarNode('ban_method')->defaultValue('BAN')->end()
                        ->arrayNode('ban_headers')->performNoDeepMerging()->defaultValue([])->scalarPrototype()->end()->end()
                        ->arrayNode('purge_all')
                            ->children()
                                ->scalarNode('ban_method')->defaultValue('BAN')->end()
                                ->arrayNode('ban_headers')->performNoDeepMerging()->defaultValue([])->scalarPrototype()->end()->end()
                                ->arrayNode('urls')->performNoDeepMerging()->defaultValue(['/'])->scalarPrototype()->end()->end()
                            ->end()
                        ->end()
                        ->arrayNode('fastly')
                            

        $parameters = parent::getKernelParameters();
        $parameters['kernel.test_case'] = $this->testCase;

        return $parameters;
    }

    public function getConfigTreeBuilder(): TreeBuilder
    {
        $treeBuilder = new TreeBuilder('foo');
        $rootNode = $treeBuilder->getRootNode();
        $rootNode->children()->scalarNode('foo')->defaultValue('bar')->end()->end();

        return $treeBuilder;
    }

    public function load(array $configs, ContainerBuilder $container): void
    {
    }

    public function getNamespace(): string
    {
        return '';
    }

<?php
use Symfony\Component\Config\Definition\Configurator\DefinitionConfigurator;

return static function DDefinitionConfigurator $definition) {
    $definition->rootNode()
        ->children()
            ->scalarNode('baz')->defaultValue('multi')->end()
        ->end()
    ;
};

<?php
use Symfony\Component\Config\Definition\Configurator\DefinitionConfigurator;

return static function DDefinitionConfigurator $definition) {
    $definition->rootNode()
        ->children()
            ->scalarNode('foo')->defaultValue('one')->end()
        ->end()
    ;
};

->end()
                    ->isRequired()
                    ->requiresAtLeastOneElement()
                    ->prototype('array')
                        ->children()
                            ->scalarNode('name')
                                ->isRequired()
                                ->cannotBeEmpty()
                            ->end()
                            ->arrayNode('data')
                                ->normalizeKeys(false)
                                ->defaultValue([])
                                ->prototype('variable')->end()
                            ->end()
                        ->end()
                    ->end()
                ->end()
                ->arrayNode('keyed_list_object')
                    ->useAttributeAsKey('class')
                    ->prototype('array')
                        ->beforeNormalization()
                            ->ifTrue(fn ($v) => !\is_array($v))
                            ->then(fn ($v) => ['enabled' => $v])
                        

->defaultFalse()
                ->info('If true, only HTTP POST requests to "check_route" will be handled by the authenticator.')
            ->end()
            ->arrayNode('signature_properties')
                ->isRequired()
                ->prototype('scalar')->end()
                ->requiresAtLeastOneElement()
                ->info('An array of properties on your User that are used to sign the link. If any of these change, all existing links will become invalid.')
                ->example(['email', 'password'])
            ->end()
            ->integerNode('lifetime')
                ->defaultValue(600)
                ->info('The lifetime of the login link in seconds.')
            ->end()
            ->integerNode('max_uses')
                ->defaultNull()
                ->info('Max number of times a login link can be used - null means unlimited within lifetime.')
            ->end()
            ->scalarNode('used_link_cache')
                ->info('Cache service id used to expired links of max_uses is set.')
            ->end()
            ->scalarNode('success_handler')
                ->info(sprintf('A service id that implements %s.', AuthenticationSuccessHandlerInterface::class))
            

class FormLoginLdapFactory extends FormLoginFactory
{
    use LdapFactoryTrait;

    public function addConfiguration(NodeDefinition $node): void
    {
        parent::addConfiguration($node);

        $node
            ->children()
                ->scalarNode('service')->defaultValue('ldap')->end()
                ->scalarNode('dn_string')->defaultValue('{username}')->end()
                ->scalarNode('query_string')->end()
                ->scalarNode('search_dn')->defaultValue('')->end()
                ->scalarNode('search_password')->defaultValue('')->end()
            ->end()
        ;
    }
}

$treeBuilder->getRootNode()
            ->fixXmlConfig('parameter')
            ->fixXmlConfig('connection')
            ->fixXmlConfig('cms_page')
            ->children()
                ->booleanNode('boolean')->defaultTrue()->end()
                ->scalarNode('scalar_empty')->end()
                ->scalarNode('scalar_null')->defaultNull()->end()
                ->scalarNode('scalar_true')->defaultTrue()->end()
                ->scalarNode('scalar_false')->defaultFalse()->end()
                ->scalarNode('scalar_default')->defaultValue('default')->end()
                ->scalarNode('scalar_array_empty')->defaultValue([])->end()
                ->scalarNode('scalar_array_defaults')->defaultValue(['elem1', 'elem2'])->end()
                ->scalarNode('scalar_required')->isRequired()->end()
                ->scalarNode('scalar_deprecated')->setDeprecated('vendor/package', '1.1')->end()
                ->scalarNode('scalar_deprecated_with_message')->setDeprecated('vendor/package', '1.1', 'Deprecation custom message for "%node%" at "%path%"')->end()
                ->scalarNode('node_with_a_looong_name')->end()
                ->enumNode('enum_with_default')->values(['this', 'that'])->defaultValue('this')->end()
                ->enumNode('enum')->values(['this', 'that', TestEnum::Ccc])->end()
                ->arrayNode('array')
                    ->info('some info')
                    ->canBeUnset()
                    

class Configuration implements ConfigurationInterface
{
    public function getConfigTreeBuilder(): TreeBuilder
    {
        $treeBuilder = new TreeBuilder('debug');

        $rootNode = $treeBuilder->getRootNode();
        $rootNode->children()
                ->integerNode('max_items')
                    ->info('Max number of displayed items past the first level, -1 means no limit')
                    ->min(-1)
                    ->defaultValue(2500)
                ->end()
                ->integerNode('min_depth')
                    ->info('Minimum tree depth to clone all the items, 1 is default')
                    ->min(0)
                    ->defaultValue(1)
                ->end()
                ->integerNode('max_string_length')
                    ->info('Max length of displayed strings, -1 means no limit')
                    ->min(-1)
                    ->defaultValue(-1)
                ->end()