Thanks for your comment. I don't recall doing anything special except for adding a watch for CSS and PHP files in my Gulp script. This is documented above. Everything I've done to get this working is posted in the article.
Browsersync's default port is 3000. You can see that when you run Browsersync on the command line. You can obviously override this if needed.
Here's a copy of my output when I run my Gulp file. I hope it helps.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.