How to build a query using Eloquent?

Question

Laravel

Dear friends, please tell me how to build a query in one line
. I have two tables users and chats. The users table has id, name, phone columns. The chats table has columns id, user_id and chat_id. Tables are related by users.id and chats.user_id
How to get phone by chat_id in one query, thanks!

Answer 1

Everything is written here