Daemons with PHP: Should you really do that?

In today's event driven world, asynchronous background processing is a given. But using a rather traditional approach of periodically running scripts causes unnecessary delays and other problems. On the other hand, long running background processes are not exactly known to be a strong hold of PHP. Is that still true for modern PHP? If not, how could such a process look like? Could we make it scale? Good questions, this talk has the answers!