If you don’t know what form collections are you won’t be interested inthis article now. However you can read the cookbookout of curiosity and come back read this article later.
Despite the customization options, if you have to implement complexbehaviors, this file may not be a solution for you. Nevertheless youcan modify it to suit your needs.Next step
Try iton your computer.
If you’ve never done form collections with Symfony before, you reallyshould follow the cookbookin order to understand how Symfony works with form collections.
If you want to know more about what is possible, you may want to readthe documentation.