I found out JSON could work as a small local database, thinking of storing records of at least 1135 cars, televisions and handbags, while allowing downloads through magnet links.
I would like to see if there are projects that have already done this or if a standard database with SQL and PHP is better.
What are you talking about? The syntax is basically C with a few $ and -> sprinkled in, and it has just about as many security issues as any other language. Plus, it has been receiving a lot of great new features over the last few years.
I think you’re confusing WordPress with PHP.