Can you suggest a library for managing user access rights to various parts of the site?

Question

CodeIgniter

We need a library that provides a universal mechanism for users to access various parts of the site (pages, buttons, forms, tables)

Answer 1

symfony/security.

Answer 2

Make a POST / GET filter in .htaccess through a handler script.
There will be something like www-firewall for all requests.

Answer 3

https://packagist.org/packages/zf-commons/zfc-rbac