Symfony 5: The Fast Track is the best book to learn
modern Symfony development, from zero to production. +300 pages showcasing Symfony with
Docker, APIs, queues & async tasks, Webpack, SPAs, etc.
ACL support was removed in Symfony 4.0. Install the Symfony ACL bundle
and refer to its documentation if you want to keep using ACL.
Consider using security voters,
the alternative to ACLs recommended by Symfony.
This work, including the code samples, is licensed under a
Creative Commons BY-SA 3.0