normalizeKeys example

->arrayNode('some_clever_name')
                    ->children()
                        ->scalarNode('first')->end()
                        ->scalarNode('second')->end()
                        ->scalarNode('third')->end()
                    ->end()
                ->end()

                ->arrayNode('messenger')
                    ->children()
                        ->arrayNode('transports')
                            ->normalizeKeys(false)
                            ->useAttributeAsKey('name')
                            ->arrayPrototype()
                                ->fixXmlConfig('option')
                                ->children()
                                    ->scalarNode('dsn')->end()
                                    ->scalarNode('serializer')->defaultNull()->end()
                                    ->arrayNode('options')
                                        ->normalizeKeys(false)
                                        ->defaultValue([])
                                        ->prototype('variable')
                                        ->end()
                                    

->beforeNormalization()->ifString()->then(fn ($v) => $v ? array_map('trim', explode(',', $v)) : [])->end()
                        ->enumPrototype()
                            ->values([
                                '*', 'cache', 'cookies', 'storage', 'executionContexts',
                            ])
                        ->end()
                    ->end()
                ->end()
                ->fixXmlConfig('delete_cookie')
                ->children()
                    ->arrayNode('delete_cookies')
                        ->normalizeKeys(false)
                        ->beforeNormalization()
                            ->ifTrue(fn ($v) => \is_array($v) && \is_int(key($v)))
                            ->then(fn ($v) => array_map(fn ($v) => ['name' => $v], $v))
                        ->end()
                        ->useAttributeAsKey('name')
                        ->prototype('array')
                            ->children()
                                ->scalarNode('path')->defaultNull()->end()
                                ->scalarNode('domain')->defaultNull()->end()
                                ->scalarNode('secure')->defaultFalse()->end()
                                ->scalarNode('samesite')->defaultNull()->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))
                            

$this->assertEquals($node, $result);
        $this->assertTrue($this->getField($node, 'ignoreExtraKeys'));
    }

    public function testNormalizeKeys()
    {
        $node = new ArrayNodeDefinition('root');

        $this->assertTrue($this->getField($node, 'normalizeKeys'));

        $result = $node->normalizeKeys(false);

        $this->assertEquals($node, $result);
        $this->assertFalse($this->getField($node, 'normalizeKeys'));
    }

    public function testUnsetChild()
    {
        $node = new ArrayNodeDefinition('root');
        $node
            ->children()
                ->scalarNode('value')
                    

                                        ->end()
                                        ->isRequired()
                                        ->requiresAtLeastOneElement()
                                        ->prototype('array')
                                            ->children()
                                                ->scalarNode('name')
                                                    ->isRequired()
                                                    ->cannotBeEmpty()
                                                ->end()
                                                ->arrayNode('metadata')
                                                    ->normalizeKeys(false)
                                                    ->defaultValue([])
                                                    ->example(['color' => 'blue', 'description' => 'Workflow to manage article.'])
                                                    ->prototype('variable')
                                                    ->end()
                                                ->end()
                                            ->end()
                                        ->end()
                                    ->end()
                                    ->arrayNode('transitions')
                                        ->beforeNormalization()
                                            ->always()
                                            

->end()
            ->end()
        ;
    }

    private function addGlobalsSection(ArrayNodeDefinition $rootNode): void
    {
        $rootNode
            ->fixXmlConfig('global')
            ->children()
                ->arrayNode('globals')
                    ->normalizeKeys(false)
                    ->useAttributeAsKey('key')
                    ->example(['foo' => '@bar', 'pi' => 3.14])
                    ->prototype('array')
                        ->normalizeKeys(false)
                        ->beforeNormalization()
                            ->ifTrue(fn ($v) => \is_string($v) && str_starts_with($v, '@'))
                            ->then(function D$v) {
                                if (str_starts_with($v, '@@')) {
                                    return substr($v, 1);
                                }

                                

->end()
                                ->end()
                            ->end()
                            ->info('looks for translation in old fashion way')
                            ->setDeprecated('symfony/config', '6.0')
                        ->end()
                    ->end()
                ->end()
                ->arrayNode('messenger')
                    ->children()
                        ->arrayNode('routing')
                            ->normalizeKeys(false)
                            ->useAttributeAsKey('message_class')
                            ->prototype('array')
                                ->performNoDeepMerging()
                                ->fixXmlConfig('sender')
                                ->children()
                                    ->arrayNode('senders')
                                        ->requiresAtLeastOneElement()
                                        ->prototype('scalar')->end()
                                    ->end()
                                ->end()
                            ->end()
                        

/** * @return void */
    public function addConfiguration(NodeDefinition $node)
    {
        $node
            ->fixXmlConfig('user')
            ->children()
                ->arrayNode('users')
                    ->useAttributeAsKey('identifier')
                    ->normalizeKeys(false)
                    ->prototype('array')
                        ->children()
                            ->scalarNode('password')->defaultNull()->end()
                            ->arrayNode('roles')
                                ->beforeNormalization()->ifString()->then(fn ($v) => preg_split('/\s*,\s*/', $v))->end()
                                ->prototype('scalar')->end()
                            ->end()
                        ->end()
                    ->end()
                ->end()
            ->end()
        ;