FormEvents
FormEvents
class FormEvents
To learn more about how form events work check the documentation entry at {@link https://symfony.com/doc/any/components/form/form_events.html}.
To learn how to dynamically modify forms using events check the cookbook entry at {@link https://symfony.com/doc/any/cookbook/form/dynamicformmodification.html}.
Constants
| PRE_SUBMIT | The PRE_SUBMIT event is dispatched at the beginning of the Form::submit() method. It can be used to: - Change data from the request, before submitting the data to the form. - Add or remove form fields, before submitting the data to the form. |
| SUBMIT | The SUBMIT event is dispatched just before the Form::submit() method transforms back the normalized data to the model and view data.登录查看完整内容
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