I recomend using VisualCode as an editor because by installing a free extension Marketplace Visual Code can double as a PHP file server.
------ This was the Extension used to create this project. ------
PHP Server v3.0.2
brapifra 839,905 users
Serve your Project with PHP
As the HTML site you are viewing live you will find many tips and ideas.
$ lsof -i tcp:3000 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME php 8588 jack 5u IPv4 220151 0t0 TCP localhost:3000 (LISTEN)
Then kill the roceess Is PID $ kill -9 8588