How to send a message to all users from a telegram bot?

Question

PHP

There is a telegram bot in php, you need to notify users about the change in functionality, for this you need to send a message to all users from the bot, how to do this?

Answer 1

Well, you need to store a database of chats with a bot and send iteratively to each)

Answer 2

query = Users.select()
for user in query:
     bot.send_message(chat_id=user.user_id, text='Some text')

You need to create a database and when the user clicks on start, the bot must save the user id