decrypt freeoncube encoded script, i need help

[3]

i am stuck decoding a script encoded with an obscure php encryptor

here is my script which i need encoded: https://pastebin.com/raw/AJR5Xgfc

by search i found it is encoded with this: https://free-online-app.com/freeoncube-php-encoder/

any help apreciated. giving generous tip!