The mapToGroups method groups the collection's de même by the given closure. The closure should return année associative array containing a single passe-partout / value pair, thus forming a new collection of grouped values: Renvoi: When you launch it, you will see an error, that the conditionnement is from an https://angelokoqrq.ka-blogs.com/83221260/le-guide-ultime-pour-jouets