How to use
1) Upload some files
2) Click "Send" to send form data on server, you will see that files that were uploaded will passed on server
3) To clear files list - click "Clear List" button

Info
[name]_[r/s]_[ind] where "name" - form item name, r/s - real/server file name, ind - file index
myFiles_r_* - real file name
myFiles_s_* - server file name
myFiles_count - count of uploaded files

Log (clear)