| DataCollectorExtension | Extension for collecting data of the forms on a page. | 
| FormDataCollector | Data collector for {@link FormInterface} instances. | 
| FormDataExtractor | Default implementation of {@link FormDataExtractorInterface}. | 
| FormDataCollectorInterface | Collects and structures information about forms. | 
| FormDataExtractorInterface | Extracts arrays of information out of forms. | 
    © 2004–2017 Fabien Potencier
Licensed under the MIT License.
    https://api.symfony.com/4.1/Symfony/Component/Form/Extension/DataCollector.html