Transmission, checking file upload to server, how to run script after file upload?

Question

linux

Good day, I am writing one script.
Available:
A form into which a torrent file is inserted, which is loaded onto a server, then sent to transmission, the download of files to the server begins. It is necessary after the file is completely uploaded to the server, run the file conversion script. How to do it?)

Answer 1

php.net/manual/en/function.shell-exec.php