Can someone point me in the right direction?
Which one are you already most familiar with?
@Glen Brackett, as @Steve Mercer suggested you have two options:
- PHP (server side)
You can convert variables or format them in JSON format using PHP:
Then, you can using the PHP file_put_contents() Function to create a JSON file:
I don’t have any guides on that exact topic, but if you get started by encoding/decoding variable into JSON, then store/read them from a JSON file, you should be able to do it.