[voaie]

This is useful for some free web hosting sites with some limits (if file creation is not forbidden ;), also useful for simple personal blog system (composer is unnecessary).

Well, not great, but usable. The write method is not reliable for asynchronous operations.

[throwaway2016a]

You don't need composer on the server you are running it on to still benefit from package management. You just do an install then deploy your vendors director.