How to implement login under the admin on the site on Wordpress?

Question

PHP

The bottom line is this: there is a customer who pays badly, and you need the ability to log in to the site, even if the owner changes the password. access to the files of the site is, you can do anything. The idea of ​​changing the soap via a post\get request does not work, you need to come up with something so that the site owner does not find out anything

Answer 1

Create an admin user. Next, in the admin panel, tweak the custom css (there are a lot of manuals on the Internet). Then, on the user page, hide the line with the id of this admin. Just do not forget to correct the numbers on top (number of accounts).

Answer 2

It is possible to do this.
It is possible to make a url upon transition to which it will log in under the desired user.
Find out how to do it :)