How do I install Composer PHP packages without Composer?

Question

I\'m trying to install the Coinbase PHP API but it requires Composer:

https://github.com/coinbase/coinbase-php

I\'m looking for a universal PHP solution (per

Answer 1

I had to do this for an FTP server I didn't have SSH access to. The site listed in here worked, then I realized you can just do a composer install on your own server (using your target's PHP version), then copy all the files over.