It uses for encoding a code
1) Check an extension folder
php -i | grep extension_dir
2) download lib from https://www.ioncube.com/loaders.php site
3) make ini file in mods-available folder with
zend_extension = /usr/lib/php/20170718/ioncube_loader_lin_7.2.so
4) make symlinks to apache2 cli fpm folders
5) restart php, nginx, apache2
