Learn how to create a random password generator from a specific character set in this PHP video tutorial from PHP Academy.

Check the fine print of most web hosts terms of service and they will state that they are not responsible for your data, even if it’s their fault. Great isn’t it?

You should not rely on your web host to take backups for you unless you expressly pay them to do so, and even then, I wouldn’t count on them being there for you. You can only trust what you take action on.