I can't seem to find any information about how one would download a remote file w/ Laravel 5 via FTP.
I tried using standard PHP
Call to undefined function App\Http\Controllers\Tools\ftp_connect()
You're probably in a namespaced class, so PHP is looking for a
ftp_connect() function inside that namespace (App\Http\Controllers\Tools).
To jump back to the global namespace, just add a backslash before the function: