我在Silex应用程序中使用Symfony和Twig。我有一个带有表单的注册页面:{%extends"base.twig"%}{%blocktitle%}WelcometoMyExamplesite{%endblock%}{%blockhead%}{{parent()}}{%endblock%}{%blockcontent%}RegisterRegisterforthissiteandwe'llgiveyoufreeaccesstocoolstuffinadditionyoucansubscribetoourpremiumcontent.{{form_widget(form)}}Sen